Select all of the expressions which correctly show how to convert 13 inches into yards 13 in * (1yd /36in)
13 * 36 yds
13 in * (36in / 1yd)
13 * (1yd/ 12 in)
13 * (1 ft/12 in) * ( 1 yd/ 3 ft)

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

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2

Polygon abcd is a rectangle what is the area