When 4 times a number n is decreased by 3 it's at most 21

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x