The cost of renting a sailboat at a lake is $20 per hour plus $12 for lifejackets. write an equation in slope-intercept form that form that can be used to calculate the total amount you would pay for using this sailboat.

Which expression gives the area of the triangle shown below

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.