Answer:
8 hours
Step-by-step explanation:
231/11=$21 an hr
168/21=8hrs
Her check register will have a surplus of 64 dollars compared to her actual balance.
example
100 +32 = 132 (incorrect)
100 -32 = 68 (correct)
132 -68 = 64 surplus
The answer is 7
3*2+3=9
9-5=4
4+3=7
As the y intercept lies on the x-axis, x=0
To find the y-intercept, put x=0 into the equation:

Therefore,the y-intercept=9.
Hope it helps!