Answer:
x=32
Step-by-step explanation:
To make the lines parallel, the sum of the angles must be equal to 180. 2x+3x+20=180, 5x=160, x=32
f(5) = <span> -2(5)^2 + 2(5) -3
f(5) = -50 + 10 - 3
f(5) = -43
hope it helps</span>
The question is saying that if you buy 5 lbs, you have to pay $2.49. That means that 1 lb is $2.49/5 which (rounded to the nearest cent) is $0.50