If there is 5,280 ft in a mile, 3 feet in a yard, how many yards are in 3 miles?

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! ❤

What is the absolute value of the complex number -4-sqrt2i

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?