Answer:
or 8.944
Step-by-step explanation:

Simplify

Square root both sides to get x by itself

or 8.944
Answer:
question 12 is answer B
question 13 is -8x^3
Step-by-step explanation:
exponent rule 
Answer:
f(x) = -2|x| + 1
Step-by-step explanation:
The graph shifts one unit up the y axis since there's a value outside the absolute value which directly adds 1 to it.
A quarter, two dimes, and two pennies.