There are 685 students 80 percent of them are going on a feild trip how many students are going on the feild trip

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?

The only way to identify an intercept is as an ordered pair. true false

What is r i 4.5+10r=-6.5 with work pls