Which of the following r-values represents the strongest correlation? A. -0.61
B. -0.71
C. -0.81
D. -0.91

What is the measure of angle tvu shown in the diagram below

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of