Arrange the summation expressions in increasing order of their values. Š 3(4)
- 1
- 1
51 - 1
Ś4(5)
- 1
i=1
is
1 = 1
= 1
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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.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles