Last year a dress cost $175 . this year the price increased 15%. now it is 20% off. what is the new price ?

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220