Make x the subject of the formula y = a(x + b)

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?

Average acceleration: i have no idea how to do this.

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true