Determine whether JK←→ and LM←→ are parallel, perpendicular, or neither for J(2, 4), K(4, 5), L(4, 1), and M(8, −7).

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?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom