The pattersons spent $47.89 for a meal at the restaurant about how much should they leave for a 15% tip

Which is the length of the hypotenuse of the triangle a. 94ft b. 214 ft c. 33ft d. 37 ft

Average acceleration: i have no idea how to do this.

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?