17 more than the quotient of a number and 4

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=9, and ac=12, find hc.

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80