which equation shows y + 15 = 3x in standard form?

a. −5x + 15y = −1

b. 15x + 5y = −1

c. −15x + 5y = −1

d. −15x + 5y = 1

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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?

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?