Factor each expression.

(9) 5a - 25

(10) 28 - 7x

(11) 12z + 28 - 7z - 3

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

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

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships