Solve the quadratic inequality symbolically. Write your answer in interval notation.x2 - 13x + 42 > 0

A. (-?, 6)
B. (-?, 6) ? (7, ?)
C. (6, 7)
D. (7, ?)


Answer: B

Mathematics

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Use a calculator to find a decimal approximation for the indicated function values. Round your answer to four decimal places.sec 2.57

A. -0.8410 B. -0.6432 C. -1.1890 D. 0.5410

Mathematics

A grand tour of four cities begins at city A and makes successive stops at cities B, C, and D before returning to city A. If the cities are located as shown in the following figure, find the total distance covered on the tour. ? ? ?

A. 2,300 mi B. 2,200 mi C. 2,100 mi D. 2,000 mi E. 1,600 mi

Mathematics

Perform the indicated operations and simplify the result. Leave the answer in factored form. - 

A.
B.  
C.  
D.  

Mathematics

Find the date due and the maturity value.

A. Date Due: March 19 Maturity value: $9.35 B. Date Due: March 20 Maturity value: $9.21 C. Date Due: March 20 Maturity value: $9.81 D. Date due: March 19 Maturity value: $9.46

Mathematics