Find the total cost of a $39 pizza order if you leave a 15% tip.

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)