Rewrite the expression 7x^4+x+14/x+2 in the form q(x)+r(x)/b(x)

Rewrite the expression 7x^4+x+14/x+2 in the form q(x)+r(x)/b(x)

=7x^3-14x^2+28x-55+\frac{124}{x+2}

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google