Ms. Cathy bought a package of pens. Out of every 10pens, 9 are black. If there are 70 pens in the pack, what fraction of the pens in the pack are black? What percent of the pens in the pack are black.

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?

Which of the following three dimensional figures has a circle as it’s base

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?