5miles = 8 km

peter goes on walks: 15 miles in 6 hours

a) what is the average walked in mph

b) sunita says he walked more than 20 km. is she right? how?

Plz hurry evaluate the expression a+b where a=8 and b=19

Solve 13 + w/7= -18 (w/7 is a fraction)

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking