Question in the image attached​

Simplify the expression. -2/5(10+15m-20n)

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

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.