please answer all

1. Beta is a significant variable in investment analysis because is a measure of A. The difference between alpha and 100. B. The inflation index that affects the dividends that a company can issue to shareholders. C. The coefficient of variation. D. The firm's earnings before interest and taxes are deducted. 2. An investor wanted co determine the among of common shares a firm had repurchased, so he looked at the A. Cash flows from financing activities in the statement of cash flows. B. Cash flows from financing activities in the income statement. C. Cash flows from investing activities. D. Cash flows from operating activities. 3. Mary wants to protect herself against high losses in case she has to terminate a call contract before expiration. Therefore, she: A. Buys a comparable call. B. Writes a second call. C. Buys a put. D. Writes a put. 4. An investor wanted to determine the among of common shares a firm had repurchased, so he looked at the E. Cash flows from financing activities in the statement of cash flows. F. Cash flows from financing activities in the income statement. G. Cash flows from investing activities. H. Cash flows from operating activities