Find the lengths of ao, oc, od, and ob in the parallelogram abcd.

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.