Janine is paid a commission of 3% on all sales up to and including $10 000, 5% on all sales over 10 000 and 7% on sales over 25 000. How much commission will she earn on sales of $48 000? Round answer to the nearest cent.

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.