Solve the problem.A square letter seal is 
in. on each side. Using the formula A = s2, find the area of the seal.
A. 
in.2
B. 64 in.2
C. 
in.2
D. 
in.2
Answer: C
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Evaluate. Round dollar amounts to the nearest cent and other answers to the nearest thousandth when necessary.P
kn for P = $480, n = 3, r = 5%, k = 4
A. $77.16 B. $557.16 C. $555.66 D. $550.28
Using the Law of Cosines, find angle B if a = 28.7, b = 31.5, and c = 11.6.
a. 152.9ø b. 37.6ø c. 92.9ø d. 24.5ø e. 139.2ø
Solve the problem.An express train and a local train both leave Gray's Lake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train.
A. Express: 25 mph; local: 12.5 mph B. Express: 60 mph; local: 30 mph C. Express: 50 mph; local: 25 mph D. Cannot be determined without more information
Add or subtract as indicated.-5.143 + 4.857
A. -9.9 B. -0.286 C. -10 D. 24.980