Two sets of equatic expressions are shown below in various forms:

line 1: x^2 − x − 6 (x + 2)(x − 3) (x + 0.5)^2 − 6.25
line 2: x^2 − x − 2 (x + 1)(x − 2) (x − 0.5)^2 − 2.25

which line contains three equivalent expressions?

a. line 1 only
b. line 2 only
c. both line 1 and line 2
d. neither line 1 nor line 2

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)