Answer:
See attached picture
Step-by-step explanation:
To graph a linear function like y=mx+b, find m and b. Here m = -1/2 and b= 2 for
.
Start at (0,2) on the y-axis and plot a point. Then move from that point one unit down and over to the right 2. Plot the point and connect.
Answer: x>38
Step-by-step explanation:
By the exterior angle theorem, x=39+38=77.
Answer: Mark up percent = 20%
Step-by-step explanation:
Given: Cost price of each T-shirt = $5.00
Amount required = $450
Total students = 75
Market price for each T-shirt to raise the required amount = (Amount required ) ÷ 75
= $450 ÷ 75
= $ 6
Mark up percent = 

Hence, Mark up percent = 20%
Cashier at target would be the best option
Weekly check would get you $173.25
Monthly would get you $693
Yearly would get you $8316
Hope this helps