Will give 98 the number of cases of a new disease can be modeled by the quadratic regression equation y= -2x^2+40x+8, where x represents the year. which is the best prediction for the number of new cases in year 15? a. 276 b. 394 c. 72 d. 158

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

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.

Answer question above and explain each step : )