What is the standard deviation of the data set

5, 9, 11, 4, 8, 9, 12

round the answer to the nearest tenth.

A. 2.7

B. 2.9

C. 3.0

D. 8.2

Rewrite the radical as a rational exponent. the fourth root of 7 to the fifth power

The tables below show running hours of three printers that produce greeting cards and the total number of greeting cards produced over three weeks.

The table below shows the ages of houses to the nearest year in a neighborhood. Using the age of the houses as the random variable, x, which graph shows the probability distribution, PC (x), of a randomly chosen house?

Tile costs $28 per sq meter. Countertop measures 48 sq meters. How much will it cost to cover with new tile?

The table shows the sales of admission tickets to a science museum. A table labeled Science Museum Admission Revenue.

Which expressions have the same solution as - 4 (6) ? Check all that apply. -4 ( - 6) 4 ( - 6) 6 ( - 4) -8 (2) 12 ( - 2)

A certain type of bacteria, given a favorable growth medium, doubles in population every day. If you begin with 10 bacteria, how many days will it take for the population to reach 20,000

If you wanted to find the depth of a submarine during a dive, would it be more reasonable to use an equation with the rate in feet per minute or feet per hour? Explain your reasoning.

What value of satisfies the equation 2n-3 (4n+5) = -6 (n-3) - 1

A supplier has delivered 9 pallets of material to the hardware store. The delivery needs to be inventoried in 1.5 hours. How many pallets must be inventoried per hour?