Which of the following machine parts always require
guards?
Select the 3 answer options that apply.
Fan blades
Levers
Rotating barrels
Abrasive wheel machinery

what is x in 4x-12x+ 9 = 0 Perry currently has $238 dollars and is spending $6 per day. Nick has no money but is earning $8 each day. After how many days will they have the same amount of money? Which correctly lists three water sources that contribute to a river system?groundwater, ponds, streamslakes, rivers, pondsrivers, streams, watershedsstreams, lakes, oceans Can someone help me with this problem? 60 POINTS!! PLEASE HELP!!When the level of blood testosterone has increased past its set point, a negative feedback signal will be sent to the hypothalamus.Based on the diagram, what will be the result of this signal?A) The hypothalamus will stop production of gonadotropin-releasing hormone. As a result, the production of follicle-stimulating hormone will increase and testosterone levels will decrease.B)The hypothalamus will stop production of gonadotropin-releasing hormone. As a result, follicle-stimulating hormone will no longer be produced and testosterone levels will start to decrease.C)The hypothalamus will stimulate production of gonadotropin-releasing hormone. As a result, the production of follicle-stimulating hormone will increase and testosterone levels will increase.D)The hypothalamus will stimulate production of gonadotropin-releasing hormone. As a result, the production of follicle-stimulating hormone will be inhibited and testosterone levels will decrease. A family's monthly utility costs are: phone $200, electric $100, cable TV $100, water/gas $50, internet $50. By eliminating cable, by what percent does the family reduce total utility cost? Killing too many predators can cause: A. producers to make less foodB. strong animals to die fasterC. sick animals to live longer D. producers to starve You and your friend join a new gym that requires a one-time joining fee and monthly payments. Your friend chooses the 1 year plan and pays $687, while you elect the 18 month contract which costs $981. Use this information to determine the linear model used to calculate cost from months of membership. Why was the electoral college established in the US constitution? Max has a drawer full of green and red socks. He has three times times as many red socks subtracted from four times as many green socks which he believes is 50 socks. Half the number of green socks plus one-third of the number of red socks is 36. How many of each colour does he have? If DF=61 and EF=18, find DE. *3. A nosotros nos gusta beber (el / los) refresco.ellos WILL GIVE A BRAINLIEST1 fourth as a decimal?1 fourth as a fraction?1 fourth as a percent?3 fourths as a decimal?3 fourths as a fraction?3 fourths as a percent? write down the relation between mass and inerti X is normally distributed random variable with mean 63 and standard deviation 6, the probability that X lies between 45 and 81 is Any help here please I dont understand these math problems. A baseball bat factory produces 24,000 bats per day and uses 50 boxes for packing the bats. If the number of boxes needed for packing is proportional to the number of bats produced, how many boxes would be needed on a day when 36,000 bats are produced? pls pls pls help brainliest asap Is the equation proportional?y = 2x + 6 WILL GIVE BRAINLIEST ANSWER!You are locked out of your house and the only open window on the second floor is 25 feet above the ground. You need to borrow a ladder from one of your neighbors. There is a bush along the edge of the house, so you will have to place the ladder 10 feet from the house. What length of the ladder do you need to reach the window?