Use an associative property to complete the statement.(9x + 6y) + 7z =
A. 9x + (6y + 7z)
B. (6y + 9x) + 7z
C. (9x + 6y + 7z)
D. 9x + 6y + 7z
Answer: A
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Determine the limit.
A. 4 B. 6 C. 0 D. 3
Solve the problem.A committee is to be formed. Possible candidates for the committee are Eric, Frances, Greg, and Jose. Denoting these four people by e, f, g, j, list all possible committees of two people (ie list all possible subsets of size two).
A. {e, f}, {e, g}, {f, g}, {g, j} B. {e, f}, {e, g}, {e, j}, {f, j}, {g, j} C. {e, f}, {e, g}, {e, j}, {f, g}, {f, j}, {g, j} D. {e, f}, {e, g}, {e, j}, {f, g}, {f, j}, {g, j}, {f, e}, {g, e}
A thermos is in the shape of a cylinder with a hemispherical cap. The height of the whole thermos (both cylinder and cap) is 20.4 centimeters, while the diameter of the cap is 13 centimeters. Which is the volume of the thermos, including the cap? Use ?=3.14. Round your answer to two decimal places.
Find the real solutions, if any, of the equation. Use the quadratic formula.7x2 = -8x - 2
A. 
B. 
C. 
D. 