Maria works at a bookstore. on wednesday, she sold three times as many books as she did on tuesday. on thursday, she sold 8 fewer books than she did on wednesday. during the three days, maria sold 20 books. create an equation that can be used to find m, the number of books maria sold on tuesday.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?