Mr. johnson bought a desk for $84 and
sold it for $130. his overhead was 20%
of the cost of the desk. what was his net
profit?

If you answer right ill give brainliest, : )

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?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)