20. create write a real-world problem involving a percent greater than 100%.
then solve the problem.

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Solve the system of equations y= 3/2 - 1, -x+ y =-3

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.