Two fair dice are rolled. Determine the following probability P(one number is a multiple of 3 and the other is a multiple of 5)
The probability that one number is a multiple of 3 and the other is a multiple of 5 is

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

Triangle xyz has vertices x(1,3), y(0,0)

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