If they went 5 km in 1 1/2 hours what was their rate?

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

What is the perimeter of square abcd? units units 28 units 37 units

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15