Is y=1/2x - 3 proportional??

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?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound