What is the standard deviation of the data set? Round your answer to the nearest tenth.

6 4 9 5 5 4 5

A. 1.7

B. 1.6

C. 5.0

D. 5.4

If a number is divided by eleven, the solution is two-fifths. What is the number? 4 1/5 4 2/5 27 1/2 5/22

Which set of numbers includes only whole numbers? A Venn diagram. A large box is labeled rational numbers. A box inside the rational numbers box is labeled integers. A box inside the integers box is labeled whole numbers.

Find the roots of the following equations. a) 4x+9=34 b) (x-4) (x+2) = 0 c) 2x^2-6x+4=0

How much greater is the perimeter of a square with area 250 square meters than a square with an area of 125 square meters?

The half life of ^134Ba is 28.7 hours. how much of a 16.2 sample of 134 Ba will be left after 60.00 hours

A polling organization took a random sample of 1,600 high school students to determine how many high school students have a part-time job. Suppose 43% of all high school students have a part time job.

The least common do you nominator 1/3 and 1/5 is

David has c decks of cards. Each deck has 52 cards in it. Using c, write an expression for the total number of cards David has.

What is the recursive formula for the sequence 4, 7, 12, 19, 28?

William will be attending college next year. He thinks that even though the tuition is higher at College A it will cost less overall because it is in-state and College B is not. Do you agree with William? Explain.