Find the area.
a = 7.0 ft, b = 8.0 ft
A. 15 ft2
B. 28 ft2
C. 56 ft2
D. 112 ft2
Answer: C
Mathematics
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Express the value of the inverse hyperbolic function in terms of natural logarithms.coth-1 
A. 
ln 231
B. 
ln -21
C. 
ln 21
D. 0
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Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Mathematics
Convert. When necessary, round the answer to two decimal places.13 quarts = gallons
A. 3
B. 6
C. 26
D. 12
Mathematics
Solve graphically. Round solutions to three decimal places, where appropriate.3x2 + 28x + 14 = 0
A. -1.623, -6.311 B. -8.803, -0.53 C. -0.477, -1.856 D. -2.195, -8.538
Mathematics