If leo, jessie and franchesca are going to a movie, in how many diffrent ways can they line up to buy their tickets?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5