The following situations showed a strong correlation. Which implies causation?

A. an increase in the average speed a car travels and a decrease in the time it takes to reach the destination

B. an increase in a company's advertising budget and an increase in their profit

C. an increase in temperature and an increase in ice cream sales

D. an increase in salary and a decrease in sick days

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