Answer:
9h + 40
Step-by-step explanation:
You use 9h, because you don't know how many hours Jill worked, she already had 40$ so 40 is the constant.
Answer:
y=-8
Step-by-step explanation:
First, rewrite the equation in slope-intercept form:

Now just look at the slope-intercept form and your y-intercept is -8, and your slope is
.
If you don't know what slope-intercept form is it is y=mx+b where m is your slope and b is your y-intercept.
Hope this helps! :)
Angle 1: 36
Angle 2: 122
Angle 3: 122
Angle 4: 38