Susan swims a race in 29 3/10 seconds. patty swims the race in 33 9/10 seconds. how much faster was susan than patty?

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

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

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?