Answer:
170
Step-by-step explanation:
30 x 3 then do 10 x 8
90 + 80
9/20
Percent means out of 100
45/100
Divide the top and bottom by 5
(2, 4) is correct
To find the midpoint use the midpoint formula
midpoint = [(- 3 + 7), (5 + 3) ] = (2, 4)