The ___ is the average of the sum of the squared differences of the mean from each

element in a set of numerical data.

A. variance

B. mean

C. deviation

D. normal

What is the product of 6x - y and 2x - y + 2? A=8x2 - 4xy + 12x + y2 - 2y B=12x2 - 8xy + 12x + y2 - 2y C=8x2 + 4xy + 4x + y2 - 2y D=12x2 + 8xy + 4x + y2 + 2y

Evaluate the expression 3m + 5 given that m = 5

Write an equation using an exponent that would express the 100-year total rainfall. Explain how the digits have shifted position and why.

Shaunda said that buying 4 towels for $17nwas better buy than buying 2 towels for $9. She found her answer by doubling the terms in the ratio 9:2 and comparing the first term in the ratios. is she correct? Use unit prices to support your answer.

On your birthday you deposited 450.00 in an account that pays 6% interest compounded equally

How can you find two ratios that describe the same relationship? Give an example to support your explanation.

Ye has his own business. He checks his sales receipts three times a day. One day, his afternoon sales eere $50 more than his morning sales, and his evening sales were three times his afternoon sales.

What is the solution to 3/4 (x+8) = 9

The radius of the circle is 14 cm. What is the circumference of the circle? A. 43.96 cm B. 615.44 cm C. 87.92 cm D. 1,230.88 cm

How many times does 8 go into 135