1. evaluate each expression when x = -2 and y = 3. a) 3x + 4y b) 2x - 3y + 5 c) 4x - y d) -x - 2y e) x + y f) y - x

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?