Hal fritz purchased a $4,000 bond at 90. the annual interest is 5%.

what was the cost of the bond? $
what was the annual interest? $
what is the yield (to nearest tenth of a percent)?
%

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

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! ❤