Find the unknown length in the right triangle. 
A. b = 16 ft
B. b = 20 ft
C. b = 19 ft
D. b = 14 ft
Answer: A
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Answer as requested.In studying the relationship between abortion and breast cancer, researchers have identified a hormone that they believe explains how having an abortion can lead to breast cancer. This explanation is an example of which of the guidelines for establishing causality?
A. An experiment to establish causality between abortion and breast cancer. B. A physical model demonstrating how abortion can cause breast cancer C. Evidence that larger amounts of the suspected cause produce larger amounts of the effect. D. Verification that breast cancer rates differ among groups that differ only in the presence or absence of the suspected cause (abortion).
Solve the system by substitution. If the system is inconsistent or dependent, say so.
A. (3, 3) B. infinite number of solutions of the equation y - 5x = 3; dependent system C. (6, -3) D. empty set solution; inconsistent system
Provide an appropriate response.The total of all the monthly payments plus the amount of the mortgage is equal to the total cost of interest.
A. True B. False
Convert the units using unit fractions.56 qt = 
gal
A. 56 B. 28 C. 112 D. 14