What is BD? Please help

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?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3