The sum of two numbers is 11. Twice the greater number minus the lesser number is 7. What
is the greater number?
A.12
B.6
C.7
D.5

Please provide some mathematical explanation. Thank 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.

Which of these tables represents a non-linear function?

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