Evaluate each expression for the given values of the variables: |a+x|/2-|a-x|/2if a=−2; x=−6

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Two numbers have a sum of -19. one number is x. what expression represents the other number?