Can yall answer this for me pls by today please

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?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Find the slope of the line passing through a pair of points