How do I write - 2.5 into a fraction?

A machine is set to fill the small-size packages of m& m candies with 56 candies per bag. a sample revealed: three bags of 56, two bags of 57, one bag of 55, and two bags of 58.

Diana, and Jennifer and Christina are making class for the craft fair Diana has made three tenths of her Jennifer has made Two fith, and Christina has made one half of hers. A who had a who had finished the most amount of her class. B.

Which is the value of the discriminant for the quadratic equation 0=x+2+x^2

15 - (45 : (-5 * 9) + 6) : 1^5

Suppose you listen to 9 songs each hour for 5 hours every day this week. how many songs will you have listened to this week

Function f (x) = ax^{3} + bx - 1, where a and b are constants. In addition, f (2) = 3. Find the value of f (-2).

How do you know that 35x5=5x35 without finding products?

A sample of 49 observations is taken from a normal population. the sample mean is 55, and the sample standard deviation is 10. determine the 99 percent confidence interval for the population mean.

How many meter of cloth is needed if Aling Luding to make 25 pillowcase if each pillowcase needs 95 cm long cloth?

A planet's radius is approximately 1,534 mi. About two-thirds of the planet's surface is covered by water. Enter an estimate for the land area on the planet. Round the answer to the nearest million.