At 7 A. M. the temperature was - 2°C. In the afternoon, the temperature was 11°C. What was the change of temperature during the day?

Simplify the expression (-8/15) + (1/15)

A tower has a cone-shaped attic. The radius of the attic is 9 ft and its height is 18 ft. What is the volume of the space in the attic? Use 3.14 for pi. A. 21 B. 6,104.16 C. 486 D. 1,526.04

Which is bigger? 2x or 2x?

Merry had $20,000to invest. She invested part of this money in bonds paying 10% annual simple interest and the rest of the money in a saving account giving 5%annual interest.

What is the temperature 32 degrees Fahrenheit in degrees Celsius? A. - 10 degrees Celsius B. 20 degrees Celsius C. 10 degrees Celsius D. 0 degrees Celsius

Siimplify (cos2 θ-1) / (11 - sin2 θ)

A truck travels a constant speed of 20m/s. It then decelerates to rest in ten seconds. Find the total distance travelled by the truck in the 20 seconds.

It's often hard to think of why inequalities might be useful in life. Actually, you probably use inequalities on a regular basis without even thinking about it.

What's the whole number of 6/2

What is then common difference in the arithmetic sequence 1, 1.25, 1.5, 1.75