A motel owner wants to carpet a room that measures 4 yd by 7 yd. The carpeting costs $16.50 per square yd. How much will it cost to carpet the room?

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.

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.

True or false? the sum of the differences (% - 7) is never zero for any distribution consisting of n observations.