Answer: -1t + 720
Step-by-step explanation:
He worked at both jobs for 90 hours for this month.
He worked t hours as a tutor which means that as a waiter he worked;
= 90 - t hours
The amount earned is therefore;
= 7t + (8 * (90 - t))
= 7t + 720 - 8t
= -1t + 720
Answer:
You find it by finding the dimensions of the X up and down, and Y left and right
Step-by-step explanation:
Answer:
Step-by-step explanation:
The second one I believe.
You have to measure the lines with a ruler.