Please help:( A. D: (2, 1, 0, -2, -3), R (1, -3, -3, -3, -4}

B. D: (-3, -2, 0, 1, 2}, R: (-4, -3, 1)

C. D: (-3, -2, 1, 1, 2), R: (1, -3, -4)

D. D (-3, -2, 0, 1, 2), R (1, -3, -3, -3, -4)

Which is the answer?

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

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.

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.