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

If pencils sell at 6for59, how many pencils can be bought for 2.95

Expand the expression log 2 2/5

Simply to find the value of y Y = 210,000 (1.06) 13 =?

Tom has $10 that wants to use to buy pens and pencils. However, he does not want to buy more pens than pencils. A pen costs $3, and a pencil costs $1. Which graph represents this scenario?

So how many million square kilometers do all the oceans together cover

Use completing the square to solve for x in the equation (x-12) (x+4) = 9. X = - 1 or 15 X = 1 or 7 X=41 141 x = 4 + 173

10.) Apply the distributive property to expand the expression. 3 (9 - 3x)

The expression 1/2mv^2 M=1.6x10^3 V=3.4x10^3

How do i write 62,370,000 in scientific notation?

A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the time read exactly 3:40 p. M. At this time, he started pumping gas into the tank.