What is the percent change from $24 to $30

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! ❤

Which letters from the table represent like terms? a and b b and c a and d b and d

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola