Jackson drew a scale drawing of a picnic area near the river. The picnic area is 9 inches wide in the drawing. The actual picnic area is 72 yards wide. What is the scale of the drawing?

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.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2