How is the time in hours, related to the number of times 2 is used as a factor

Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.