2^a / 2^2 = 2^3 solve for a

What statement is true? 2x^2-9x+2=-1

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0