Ailyntumalaestorbaviz Ailyntumalaestorbaviz Math Answered solve these math questions.solve1.) (x+9y+5) - (-8x + 4y -7)expand2.) 3(3x + 5y) + 3x - 7ysimplify3.) 50x-30y+40z/10find the quotient 4.) 12m^2 + 11mn + 2n^2/4m+nplease