Find the sample standard deviation. 124, 178, 265, 157, 112, 299, 143, 143

A record collection consists of eight rock albums, twelve blues albums, and four classical albums. If two records are chosen random, find the probability that they are both blues? ... ?

Which is greater, 2.3 kiloliters or 4,000,000 milliliters?

Find something equivalent to 12:7

How to work problem out -8s + 1 = 33

Which of the following statements are true based on the diagram?

a driver had 18 2/3 gallons of gas in his car before the trip. when he arrived he had only 9 1/2 gallons left. the trip used 9 1/2 gallons. if the car gets 30 mpg, how many miles was the trip?

The very busy Freshman class is selling tickets for an upcoming field hockey game. The class sells 20 more student tickets than adult tickets. The adult tickets cost $4 and the student tickets cost $2.

What is 3.1 divided by 25.42

Find the difference using fraction bars or a paper and pencil. Write your answer in simplest form. 7/8 - 3/4

Is a trapezoid a parallelogram?