Help please ,it’s confusing me

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.

Can someone me find the original price? the discount is 5% and the sale price is $68.40