Answer:
A = -10
Step-by-step explanation:
Combine multiplied terms into a single fraction find common denominator etc etc.
Distributive property because if you divide -5.2+(-8.4) by -1, you get -(5.2+8.4)
H=hour
10h+7=32 would be the best equation. Hope this helps!
n - a number
14. Nine more than the square of a number: n² + 9.
15. Twice the difference between a number and ten: 2(n - 10)
9.7 x 10^3
It is the same as 3600 + 6100 = 9700 => 9.7 X 10^3
