A 3 x a 4 = a 12 "correct the mistake and explain one way to think correctly about this problem"​

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

According to the data set, where should the upper quartile line of the box plot be placed?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.