What is the variance of the following data? If necessary, round your answer to two decimal places.

48, 65, 57, 54, 61, 57, 52, 61, 57

a, 23.43

b. 83.17

c. 71.35

d. 86.43

Describe how you can find the prime factorization of a number.

Roger ran at a speed of 15 miles per hour for 4 minutes. how far did he run in that time?

Is 4-heap Nim with heaps of sizes 22, 19, 14, and 11 balanced or unbalanced? Player I's first move is to remove 6 coins from the heap of size 19. What should player II's first move be?

What is this solving equation - x-7x=8

What is 3.055 round to nearest hundredth

The school auditorium has 34 rows of seats. The first row has 12 seats, the second row has 14 seats, and the third row has 16 seats. If this pattern continues, how many chairs will be in the last row?

5 ½ x 3= 2 ⅓ x 4 ¾= -2 ⅖ x 3 ¼=

Standard form of 1.46e-6

What is one way to find the number of grams in 6 kilograms?

Round the decimal two hundred twenty-one and five hundred seventy four thousandths to the nearest tenth