Why is the first derivative of 8/x becomes 8/x^2?

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

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

Arecipe calls for 32 fluid ounces of heavy cream.how many 1 pint containers of heavy cream are needed to make the recipe?