Can anyone answer this please

What is the square root of 45? (step by step working plz)

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 ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15