PL HELP ME ASAP. Abe, a plumber, charges $50 per hour plus $75 for making an in–home visit. The equation 75 + 50h = c represents this cost c for working h number of hours. If he made $475, how many hours did he work?

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π