If two congruent angles are supplementary, what must be true of the two angles

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

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.

Sum of the interior angles of a pentagon