Which system of equations below has no solution A. Y = 4X +5 and Y = 4X -5
B. Y = 4X +5 and 2Y = 8X +10
C. Y= 4X+5 and Y= 1/4X+5
D. Y=4X+5 and Y= 8x +10

Which term best describes the association between variables a and b

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?

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