a grandfather is 9 times older than his granddaughter. In 8 years the grandfather will be 5 times older than his granddaughter. How old is each of them now?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

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.