The street fair charges an admission price of $5 per person. In the first hour, one gate admitted 10 people. In the second hour, the gate admitted 20 people. Which mathematical expression below represents the scenario? A. 10 + 20(5)
B. 5(10) + 20
C. 5(10 + 20)
D. 5(20 - 10)

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

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?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y