Prove that for a positive integer n, 2 + 5 + 8 + 11 + + (3.n-1)= 12: n (3. n + 1) n . - -- a. .

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?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Which shows the graph of the solution set of 3y – 2x > –18?