The difference of the squares of two numbers is equal to 9. Let x represent the larger number and y represent the smaller number. Which graph shows all possible values of x and y?

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2