Find the recurrence relation for the number of ways to arrange flags on a flag pole n feet tall using 4 types of flags; red flags 2 feet high or white, blue and yellow flags each 1 feet high.

Place the following steps in order to complete the square and solve the quadratic equation,

2pointswhat is the best next step in the construction of the perpendicular bisector ofab?

The ratio of white marbles to blue marbles in connie's bag of marbles is equal to 2: 3 there are more than 20 marbles in the bag . what is a possible number of white marbles and blue marbles in the bag.