Find the mystery number . the mystery number had two digits. the sum of the two digits is less than five teipple the mystery number and the result is the same as the product of 4x9

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)