Which expressions show repeated multiplication? Check all that apply.
☺(1)(9)
☺(1/2) (1/2) (1/2)
☺(7)(7)(7)(7)
☺(2)(3)(4)(5)(6)
☺(9)(9)(9)(9)(9)(9)

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?

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?