Factor the algebraic expression.
16a + 18
16a +18=
(Factor completely.)

The system of equations graphed below has how many solutions?

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?