Translate the sentence into an algebraic expression and solve for y. The product of 3 and a number y plus 3 is negative 11

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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?

Bring the fraction a/a-4 to a denominator of 16-a^2