(6a-3b^2-a) + (b-4+7a^2)
find the sum or difference

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?

Ten times the square of a non-zero number is eqaul to ninety times the number

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g