Answer:
10 +15-14 -21 is the answer (option 2)
Step-by-step explanation:
you use the foil method to multiply it out :)
Its either the first choice or last choice.
You’re answer is going to be 70
Answer:
36π cm cubed
Step-by-step explanation:
Surface area of a cylinder is 2πr^2 + 2πrh
4 cm is the diameter in the image, so the radius is 2 (4/2)
7 is the height
π2(2^2) + π2(2)(7)
8π + 28π
36π
A^2+b^2 =c^2
(h-3)^2 +(h-6)^2 =h
H^2-6h+9+h^2 - 12h+36=h
2h^2 - 18h+45=h