There are 7 students in a class: 5 boys and 2 girls. If the teacher picksa group of4 at random, what is the probability that everyone in the group is a boy?

Put the equation in slope intercept form by solving for y

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Solve the system of equations. x=-2y+1 and x+2y=9. show work