Answer:
C. q Superscript 12
Step-by-step explanation:

Answer:
8x+9
Step-by-step explanation:
Add the like terms together.
3x+9+4x+x = 8x+9
Pls. see attachment.
The perimeter of the triangle is 146.
Answer:
1/5 and -k/5+2
Step-by-step explanation:
inverse of 5= 1/5
swap the variables: y=10−5k becomes k=10−5y
Now, solve the equation k=10−5y
for y
y=−k/5+2
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Explication it is a virus. 45+12