Which expressions are equivalent to 2^5•2^4? Check all that apply.

What expression is equivalent to 1/2(2+3x-6)

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?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41