To answer this, you will first need to simply the expressions.


Now with the expressions simplified, you'll add the two together getting 
Answer: 270 cubic centimeters
Step-by-step explanation:
bh/3 is the formula so...
because it's a right triangle we multiply the legs together:
9*12 = 108
and we divide by 2
108/2 = 54
height is 15
(15*54)/3 = 810/3 = 270
Our answer is 270 cubic centimeters.
Answer:
If the sphere has a radius of 4, you can use the equation: V=4/3(pi)(r)^3
Step-by-step explanation:
V=4/3(pi)(r)^3
V=4/3(pi)(4)^3
Answer:
probably (-2, 4)
Step-by-step explanation: