2^2a^2+b^2
4a^2+b^2
not sure if this is correct but here ya go
Answer:
C
Step-by-step explanation:
radius squared * pi = 63.585
3x7 + 2x3 = 22 + 6 = 28 is the area
Answer:
Step-by-step explanation:

It’s D, because the x-value, 8, has two y-values, the 5 and 9. In order to be a function, each x-value has to have only one y-value.