Find the equation for the line that passes through the point (−3,−1)
, and that is parallel to the line with the equation
y=1/2x-3

Geometry ? i don't know how to do any of these.

What is the least common multiple of 16 and 3?

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?