David spent a total of 2 1/2 hours working on his computer. he stood up and stretchef every 15 minutes before stopping. how many times did david stand up and stretch?

What's 2 divided by 531

A large box of crayons holds 60 crayons. There are 10 crayons in each row. How many rows are there

Is 5.16 grater than 5.165

The swimming pool at Spring Valley High School is a rectangle with a width of 75 meters and a length of 35 meters. Around the perimeter of the pool is a tiled floor that extends w meters from the pool on all sides.

Two squares are drawn. the smaller square has an area of 256 square meters. the areas of the two squares have a ratio of 4:9. what is the side length s of the larger square.

Diego is buying envelopes sold in boxes of 100. He has 200 envelopes, but he needs a total of 500

Two cards are drawn from a deck of 52 determine whether the events are independent or dependent.

The expression 6 to the 3rd power times 4 to the 2nd power is equivalent to which of the following numerical expression

Two candidates ran for class president. The candidate that won received 70% of the 320 total votes. How many votes did the winning candidate receive?

Anthony is building a toolbox with length 2 feet, width 1 foot and height 3 feet. What are the dimensions of his box in inches?