Help with this question plz

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

How does reflecting or rotating a figure change the interior angles of the figure?

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%