Find the difference of (2x+5) (2x-5)

The bill for Marie's dinner was $16.51. How much should she leave for a 15 % tip?

How do you convert fractions into decimals

Find the volume of the cylinder if the radius and the height are both 5 in.

Two rainstorms occurred in one week. First storm 15 mL of rain fell per hour. Second storm 30 mL of rain fell per hour. The rain lasted for a total of 70 hours with a total of 1500 mL. What was the duration of each storm?

4. Create the recursive definition for the sequence: 100,80,60,---

5x8x56x101x1234x12+506

what is the correct upper and lower control limits for 8.42 pounds and the accectable range for plus or minus. 65 pounds

Argyle can read 7 pages of his book in 5 minutes. At that rate, how many pages can he read in two hours?

Country Population (1997 estimate) Area (square km) U. S. 272,648,000 9,364,520 Romania 22,609,000 237,391 Ghana 18,339,000 237,533 Which of these countries has the greatest population density? Which has the least?

Whats the square root of 2562634