PLEASE HELP ASAP BEST ANSWER WILL BE MARKED THE BRAINLIEST!!!
How can i identify the changes in materials that result from a physical change?

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1395 grams and standard deviation 200 grams. Use the TI-84 Plus calculator to answer the following. (a) What proportion of broilers weigh between 1160 and 1250 grams?(b) What is the probability that a randomly selected broiler weighs more than 1510 grams? (c) Is it unusual for a broiler to weigh more than 1610 grams? Round the answers to at least four decimal places. There is friction between the block and thetable.The suspended 2 kg mass on the left ismoving up, the 4 kg mass slides to the righton the table, and the suspended mass 4 kg onthe right is moving down.The acceleration of gravity is 9.8 m/s2.What is the magnitude of the accelerationof the system?1. 1.672532. 1.98453. 1.753114. 2.476735. 2.13156. 2.0587. 2.5488. 1.339339. 1.528810. 2.03127Answer in units of m/s2. Richard spent $30 at a store. He spent $14 on a book and bought some CD's at $4 each. Howmany CD's did Richard buy at the store? Write an equation to represent the problem, thensolve. Whats the equation of a line that is perpendicular to -x +2y =4 and passes through the point (-2,1) How did the Progressive movement improve conditions for workers? Check all that apply.1.) Working hours were reduced in many states.2.) Strikes were no longer needed to have workers' demands met.3.) Child labor became illegal in all states.4.) Workers were able to negotiate better pay with employers.5.) Workplace safety was improved. How was Spain different under Muslim rule than under Christian rule?a. Under Muslim rule, Spain was united as one nationb. Under Muslim rule, Spain had no libraries or collegesc. Under Muslim rule, most empires were constantly at ward. Under Muslim rule, people of different fath lived in piece What is the best estimate of the measure of the angle shown? Pls help! The ___ shall enjoy the right to a speedy and public trial. 1. Officials2. Accused 3. Victim 4. Judge 5. Public Which Jovian planet is furthest from the Sun?JupiterNeptuneEarthSaturn Please help me and Ill give you brainiest!!!!!!!!! Have a wonderful day!!:))) if owen has a collection of nickels and quarters worth $8.10. if the nickles were quarters and the quarters were nickels, the value would be 17.70 find the number of each coin?2 8. A yard is closest in distance to aa. kilometer.b. centimeter.C. meter.d. millimeter. What is a sentence pattern Assuming that everybody is heterosexual unless proven otherwise is a consequence of:Compulsory hetersoxualityHomonormativityIntersectionalityNone of the above children's are the bright stars of the nation.justify I NEED HELP PLEASE! I DONT KNOW The radius of a circle is 16.7 in. Find the circumference to the nearest tenth. What's the connection between epigenome and nature vs nurture? When ecologists study the way energy is distributed over a food chain or the rate at which nutrients are recycled, they're engaged in _____ in an effort to understand how the whole system works. a) habitat ecology b) systemic analysis c) ecosystem ecology d) biosphere studies Average movie prices in the United States are, in general, lower than in other countries. It would cost $79.98 to buy three tickets in Japan plus two tickets in Switzerland. Three tickets in Switzerland plus two tickets in Japan would cost $75.02. How much does an average movie ticket cost in each of these countries?