There are red and yellow flower in a city park. The number of yellow flowers is 3 more than 1/3 of the number of red flowers. There are 21 yellow flowers. Write an equation to find the number of red flowers. Let r represent the number of red flowers. Then solve for r.

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a.m. if he arrives at the gate at 11: 45 p.m., can he board the flight?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

How do you write something in scientific notation?