Which property is illustrated by the following statement? 30POINTS! do all 3 if them

a. 7x(−2) = (−2)7x

b. 5 + 1.4 = 1.4 + 5

c. (4z)xy = 4(zx)y

The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field