Part A- Which expression can be used for the missing side length of the rectangle? (See picture)

A. x√6
B. 2x
C. x√30
D. 2x√15

Part B-

Find the length of the missing side when x = 3. Round answer to the nearest tenth.

Length = N

How can writing phrases as algebraic expressions you solve problems?

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed