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.

Step-by-step explanation:
there are three parts first one is hypotenuse, base, height....
hope you understood
Answer:
91
Step-by-step explanation:
155-16s²
155- 16x2²
155- 16x4
155-64
91
Answer:
5 times 2
Step-by-step explanation:
5 times 2 because I know my multiplication. Even if I didn't know my ti.es table I can just look at it
= 16 * 10^13
which in scientific notation is 1.6 * 10^14