Answer:
The answer is D. 
Step-by-step explanation:

simplify the expression by multiplying

calculate the product

express with a positive exponent using 
Answer:
10.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
x=
−3y−18
/2
Answer:
9 and a half
Step-by-step explanation:
the fewest number is 9.5 because thats the exact amount in hallways that he needs
Answer:
there are 6 different ways they will not be next to each other