The answer is

In the choices; the coefficients 21, 32 and 10 are not perfect squares.
Answer:
x)45
y)45
z)135
Step-by-step explanation:
3. it would be 15 because it is multiplying by 3
4. it would be 11 because it's subtracting 2
Answer:
-4g2
Step-by-step explanation:
I confirm with the answer that k is the slope of the graph<span>. If the variables x and y vary directly when x = 3 and y = 15, then: a. Write an equation that relates x and y.</span>