25.An elevator started in the basement, rose 11 floors, descended 5 floors, descended
2 floors, rose 9 floors, rose 2 floors, and
descended 10 floors. At what floor did the
elevator stop? Assume the basement to be
floor 0

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.

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca