Two ships, one sailing at 20mi/h and the other at 35mi/h , left port at the same time. Three hours later they were 110mi apart. If you had to find the angle between their courses an equation that could be used to solve this problem is:

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∣∣

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x