Identify the vertex, focus, and directrix of the parabola with equation x + y^2 + 4y - 1 = 0. (Hint: Complete the square to find the vertex form
of the equation.)

Factor the expression using gcf 9b+45

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?