Answer:
15
Step-by-step explanation:
3a+9=54
-9 -9
3a=45
:3 :3
a=15
Answer:
360 for the square pyramid
499.2 for cone
128 for volume of square pyramid
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Start by breaking down the equation
-1/2 x 10 = -5
-1/2x1/4=-1/4
Then combine your answer
-5=1/8
Answer: how
Step-by-step explanation: