Jane took a survey of the ages and number of younger siblings students in her school have. She found a line of best fit for her data. Which r-value suggests a strong negative correlation for her line of best fit?
A. r = 0.97351
B. r = −0.27331
C. r = −0.97351
D. r = 0.27331

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0