Find the following trigonometric values.

Express your answers exactly.

COS (225°) =

sin (225) =

In the chi-square test of association, as the difference between the observed and expected proportions increases ... a. the chi-square test statistic increases b. the chi-square critical value increases c.

There are 6 frogs and 2 puddles. There is the same number of frogs in each puddle. How many frogs are in each puddle?

A bag with 8 marbles is shown below. a marble is chosen from the bag at random. What are the odds in favor of choosing a grey marble?

When an observation that is much larger than the rest of the data is added to a data set, the value of the mean will _.

Two-thirds of a number is negativesix. find the number.

9 m 7 m (23 m) What is the area

What are the factors of 34

Find the area of the rectangle 9ft and 14ft

Ms. Alvarez wants to determine the seventh graders' preferences for the location of the end-of-year field trip. Which of the samples is representative of the population?

finding the percent of increase or decrease