50 points Its really geometry Distance Formula

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

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic. org

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points