Solve.Write the largest four-digit number that can be made from the digits 7, 3, 8, and 1 if each digit must be used once.
A. 1378
B. 8731
C. 8713
D. 7831
Answer: B
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = eln 6x
A. Q(x) = 6x + 18x2 B. Q(x) = 6x C. Q(x) = 6x - 18x2 D. Q(x) = 1 + 6x + 18x2
Mathematics
Simplify the rational expression.
A. 
B. 
C. 
D. 5x
Mathematics
Solve.An airplane travels 700 miles against the wind in 5 hours, and makes the return trip with the same wind in 2 hours. Find the speed of the wind.
A. 245 mph B. 105 mph C. 350 mph D. 140 mph
Mathematics
Solve the problem.Dave bought 14 packets of cookies for $29.68. Each packet of cookies contains 12 cookies. Find the cost of each cookie to the nearest tenth of a cent.
A. 2.1 cents B. 0.2 cents C. 17.7 cents D. 18.8 cents
Mathematics