There are 30 students in a class. 17 of the students are boys. What percent of the class are girls.

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.