Pls show me the steps to solve this:
if f(x) = 3x-2, find f(8) = f(-5)

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

20 ! brainliest ! add and simplify your answer.