Use the quadratic formula to solve the equation. (All solutions are real numbers.)a2 + 14a + 40 = 0
A. 
B. {-10, -4}
C. {-20, -8}
D. {4, 10}
Answer: B
Mathematics
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A taxi company charges $3.00 for the first mile (or part of a mile) and 30 cents for each succeeding tenth of a mile (or part). Express the cost C (in dollars) of a ride as a function of the distance x traveled (in miles) for 
.
?
A. 
B.
C.
for 
D.
E.
Mathematics
Find the eigenvalues and the corresponding eigenvectors 
What will be an ideal response?
Mathematics
Solve the problem.If n(A ? B) = 56, n(A ? B) = 10, and n(A) = n(B), find n(A).
A. 5 B. 28 C. 33 D. 23
Mathematics
Use logarithmic identities to complete the following. Write log(x - 8) + 2 log(2x - 3) - log(2x2 - 19x + 24) as a single logarithm.
A. log(2x - 3)2 B. log(2(2x - 3)) C. log 2 D. log(2x - 3)
Mathematics