The seats in the lecture hall are arranged in 12 rows with 7 seats in each row. find how many seats are in this room.

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?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.