When three pipes fill a pool, they can finish in 12 hours. two of the pipes can finish in 18 hours if they are working together. how long would it take a third pipe to fill the pool on its own?

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Do you mind if you guys me with this question i’m on number 8