Multiply each equation by a number that produces opposite coefficients for x or y 4x + 5y = 7 X =
3x - 2y = -12 X =

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

Rewrite the following without an exponent. (5/8)-1

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?