Answer:
The maximum number of hours the school can have the band play at the dance is 4.
Step-by-step explanation:
150 + 100 + 35x ≤ 390
250 + 35x ≤ 390
subtract 250 from both sides
35x ≤ 140
divide by 35 on both sides
x ≤ 4
y - 0 = 5(x-4)
y = 5x-20
5x - y = 20 Standard Form
What is 9c-c equal when u combined like terms?
8c