Brian has reduced his cholesterol level by 13% after his last check up. If his original level was 200, what is his cholesterol level now?

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?