Table C is a function, because none of the numbers in the X column repeat. (All the other ones do.):-)Hope I could help!!
In order to reach the total cost of $128, you need to find the number of hours the company cleaned. The equation to do so would be
30x+ 8 = 128
If you subtract 8 from both sides and then divide by 30 you'll find that x=4.
3x+7=22
Subtract 7 to both sides
3x=15
Divide by 3
x=5
Answer:
-0.2
Step-by-step explanation:
Answer:
3x
Step-by-step explanation:
