Choose the inequality that could be used to solve the following problem. Three times a number is at most negative six.

A. 3x ≥ -6
B. 3x < -6
C. 3x > -6
D. 3x ≤ -6

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

The amount of energy it takes to lift a box might be a function of which of the following

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