Find the surface area of the rectangular solid.(Note: This is the combined area of the six surfaces.) Include the units in the answer.
13 in. 9 in.4 in.
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Solve the problem.A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
A. 66.1 m B. 18.1 m C. 19.6 m D. 64.6 m
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Find the mode or modes (if any).20, 44, 46, 44, 49, 44, 49
A. 46 B. 49 C. 44 D. 42.3
Mathematics
Determine whether the given function is even, odd, or neither.f(x) = 3x5 + 6x3
A. Even B. Odd C. Neither
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Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.sin 765°
A. - 
B. 
C. - 
D. 
Mathematics