I think the answer is(-1,1)
Answer:
12.75 dollars
Step-by-step explanation:
5% = 2.94$
150% = 7$
2.80 + 5% + 150% = 12.75 for each t-shirt she sale
To find the slope take two ordered pairs and put them in form of x2-x1/y2-y1 and then you can find the slope.
(-2,17) (-3,20)
(-2)-(-3) = 1
(17)-(20)=-3
slope is 1/-3
