Answer:
a) -12
b) 8+11x+11b-3x^2-3b^2-6xb
c)-52
Step-by-step explanation:
in a) we have to substitute the value of x with 5
in b) we substitute the value of x with (x+b) and then simplify
in c) just have to substitute x with -3
The area is 20
The height is 5
The volume is 60
The surface area is 94
<em>If the radius of a sphere is doubled, the surface area becomes four times the original surface area.</em>
Answer:
fantasy if its wrong im sorry
The answer to this is Complementary Angles.