Sarah gets $5.50 each week for allowance. her mom makes her put $20% in her savings account. how many weeks until she can spend $20 on a new chair for her bedroom?

Which expression is equivalent to 4 square root 6 divided by 3 root 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?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.