Rosemarie bought 2 pairs of shoes for $21.50 each and 4 pairs of socks for $3.25 each. If the sales tax rate is 5%, what is the total amount of money Rosemarie spent?

Find the roots of the equation below. x^2 - 6 + 9 = 0

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

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.