How much time does it take for a flying bird at a speed of 45miles per hour to travel a distance of 1800 miles?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

John kept track of how many baskets were made in a basketball game. after 4 minutes, 5 baskets were made. how many baskets were made between 9 and 10 minutes? a. 0 b. 1 c. 2 d. 3