Astudent raises her average grade from a 75 to a 90. what is the percent of the increase in the students average grade

Answer pls man im trying to get out of summer school

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

Aquadrilateral has exactly 3 congruent sides davis claims that the figure must be a rectangle why is his claim incorrect.