donald earns the same commission rate on all sales he makes each month. last month, he earned $750 in commission on $9000 in sales. how much more in sales must he make in order to earn $ 1000 in commission? *

$2600

$3000

$5600

$6400

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

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.