An election ballot asks voters to select two city commissioners from a group of eight candidates. In how many ways can this be done?

Write the sentence as an equation. b increased by 281 is d

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.

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11