Aphone company charges a monthly rate of $12.95 and $0.25 a minute per call.
the bill for m minutes is 21.20 dollars

how many minutes were charged on this bill?

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?

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie