Answer:
5 hours
Step-by-step explanation:
62-20=42,then 9×5=45, next 45-42=3, so 3 dollar a left
The answer should be...144 square inches
3
We can use the slope formula
m = ( y2-y1)/(x2-x1)
= ( -9 -0)/(4 - 7)
= -9/-3
= 3
0.1
hope this helps