The following are the heights of the first graders in a local elementary school class (in inches). 47, 40, 52, 46, 49, 55, 37, 59, 41, 47, and 42.
Find the mean value (round to 1 decimal place)

Find the median.

Find the mode (if one exists)

Find the range.

What expression is equivalent to (2x-1)(x-3)?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.