Heather was out for a leisurely walk at a rate of 3 miles per hour. what was her speed in yards per minute

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

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! ❤