evaluate 1 – 2(5 - L)² if L = 10

-2.8 = -4 – 3.7x

Find the radius of a cone if the volume is 20 cm3, the height is 5 cm, π ≈ 3.14, & V = 1/3 π r² h

8 - 2(5 + 3x) = 7x + 12

Graph 3y + 6 = 2x

8. Joe the plumber charges $50 for a service call plus $75 per hour. How long was Joe at your house if the bill was $205 (show equation)?

find the equation of a line through (2,-3) & (5,1)