What is the length of the unknown leg in the right triangle? A triangle with side 21 centimeters, hypotenuse 29 centimeters, and side a.
8 cm
16 cm
20 cm
40 cm

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?