Find the measure of angle 5. measure of angle 7 = 2x+15 measure of angle 8 = 3x

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

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?