Solve the equation to find the missing dimension of the prism when the VOLUME is 84 cubic inches

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)