Factor thé expression 27b+24

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?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me