What is the solution to the expression -2-)?
— — — — — — —
-10 -8 -8 -7 -6 -5 -4
— — —
-3 -2 -1
—
0
—
1
—
2
—
3
—
4
—
5
—
6
—
7
—
8
— ——
9 10
9
-3

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

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