If you have 54/4 how does it equal 13.5

what's 2+2-2-4+77 and what is the square root of the sum Which of the following is not a benefit of anaerobic exercise?A. Faster recovery timeB. Stronger Muscles C. Improved coordination D. Higher intensity during exercise bursts Um thx for anyone that's going to help me!! when 3.18 g of copper (||) oxide were carefully heated in a stream of dry hydrogen, 2.54 g of copper and 0.72 g of water were formed determine the number of moles of hydrogen atoms which combine with one mole of oxygen atoms Based on the passage, what does Reggie's response reveal about Georgia's actions throughout the passage? please help me !!!!!!!!!!!!!!!!!!!!!!!! Find the circumference of the circle. Round your answer to the nearest hundredth. Use 3.14 or 227 for .There's a picture of a circle with the radius of 21 cmPicture of the circle: NEED ASAPPPPThe linear equation below describes the graph of a line.4x 3y = -12 Which of these is a point on the graph of the line? How much force would be needed topush a 22 kg box across the floor withan acceleration of 1.9 m/s^2? Assumethat there is a coefficient of friction of.17 between the box and the floor.Help me with this!!!!!!!its due in 10 minutes Which sentence is punctuated correctly? (4 points)Our team won the championship, the state championship this year.Our team wonthe championshipthe state championship this year.Our team won the championship-the state championship-this year.Our team won, the championship the state championship, this year. Who were the other half that Jacob Riis referred to in his 1890 book How the Other Half Lives?A the factory ownersB the upper classC the working poorD the middle class what is the avarage speed during kick 1 Please help ASAP 15 points How many kilometers is it around the world on foot and how many days does it take? do you have a phone number Create the f(x) function based on the table. Answer should be in function notation EXTRA POINTS AND WILL MARK BRAINLY!!Which is true about Earths low latitudes?A.They are located near the polar zones.B.They include the tropics near the Equator.C.They are only north of the Equator.D.They have hot summers and cold winters. How do you think the controversy of the Scopes Trial affected Americans views on freedom of speech? Can someone tell me what this means? When an organization defines itself and its niche in an environment by the choice of what sector or field of the environment it will use its technology, products, and services to compete in and serve, it is describing its ______. what is a chemical change? and what is a physical change?