Answer:
a. 
b. 
Step-by-step explanation:
a.


Where, 


Where, 

Volume of the shaded figure = 
b.
expressed in factored form:
Look for the term that is common to 9a³ and 9ab², then take outside the parenthesis.

Answer:
3x=11
Step-by-step explanation:
a number: x
three times x: 3x
is equal to 11: 3x=11
Answer:4/10
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
supplementary angles =180 degrees
180-117=63
Answer:
D
Step-by-step explanation:
it's In the picture
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