I'm not very sure, but I hope it'll help.
Answer:

Step-by-step explanation:
To solve the expression

first we will multiply -n with each term and then find their products.
When doing multiplication the powers will be added and co-efficient will be multiplied.

Answer:
last option is correct answer
Step-by-step explanation:

X = B.......x - 17 = A
x + x - 17 = 87
2x - 17 = 87
2x = 87 + 17
2x = 104
x = 104/2
x = 52........so state B has 52 electoral votes
x - 17 = A
52 - 17 = A
35 = A.....so state A has 35 electoral votes
45 / 2 = 22.5
You can get 22.5 hours of Internet for 45$.