Joan went to her local zoo where 42.86% of it's exhibits featured canines. if the zoo features 21 in total exhibits in total, then how many of the zoo's exhibits feature canines? round to the nearest whole number if necessary.

32a³b² 8ab² simplify the following expression.

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?