Answer:
18
Step-by-step explanation:
area of the "left most" side disk would be
= 9
the height of the disk is = 2
thus the area would be 18
units cubed
C90,2) - Not a right triangle
C(3,-1) - is a right triangle ( its slope is a negative inverse )
C(0,4) - is a right triangle ( its slope is a negative inverse )
A^7. "A" raised to the power of 7 would be the exponential form. hope this helps.