Graph a line with a slope of 3/4that contains the point (2, -3)

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

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Write as a product of two polynomials. 2(3–b)+5(b–3)^2