Solve the expression below. 33 + 13
2² x 5
A 1
B 2
C 10
D 18

please help

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?