Jared's retirement party will cost $168 if he invites 42 guests. what is the maximum number of guests there can be if jared can afford to spend a total of $252 on his retirement party?  

Which expression will have the same sum as 3_8 + 1/4?

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

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