Two cars leave the origin; one goes north at 45 mph and the other goes south at 30 mph. after how many hours will they be 400 miles apart?

If the rate of a person walking is 2.4 miles in 10 minutes. How far can he walk in 90 minutes hours?

a recipe uses 5 cups of flour for every 2 cups of sugar how much flour is needed for 7 cups of sugar

2 triangular prisms and a cube. The cube is 2 by 2. The triangular prisms have rectangular sides of 3 by 5, 3 by 3, and 3 by 4. The triangular sides have a base of 3 and height of 4.

In triangle FGH, mF is 94°, mG is 49°, and mH is 37°. The exterior angles of triangle FGH are J, K, and L, and they are adjacent to F, G, and H, respectively. What is mK? A. 86° B. 49° C. 143° D. 131°

The width of a rectangle is 6 yards more than twice its length. If the perimeter is 30 yards, then the length of the rectangle

What is 7/27 simplified?

The classroom has 4 desks in each row. There are 5 rows. How many desks are there in the classroom

How many different four digit numbers can you make with these?

Enter the sentence as an equation "three increased by twice a number is at least - 7"

How many cups of walnuts are needed to make 3.75 batches of muffins? One batch of walnut muffins uses 1.33