Nina has taken 5 tests in her history class and her current average is 88. if she wants to bring her average to an a- ( a 90 average) what is the lowest grade she can receive on her 6th test

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.