The scatterplot for a set of data points is shown, along with the line of best fit. choose the best estimate for r, the correlation coefficient.
a) -1.0
b) -0.8
c) 0.8
d) 1.0

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

What is the measure of angle x? answer

Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.