(08.05)theresa earned scores of 88 points, 84 points, 88 points, and 91 points on four tests. what is the lowest score she can get on the fifth test and still finish with an average score of 90 points? 96 points 97 points 98 points 99 points

Evaluate the expression for the given value of the variable 7a - 4a for a =8

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?