Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How fast was he driving?449 miles per hour
A. Unreasonable, should be 44.9 miles per hour
B. Unreasonable, should be 4.49 miles per hour
C. Unreasonable, should be 4490 miles per hour
D. Reasonable
Answer: A
Mathematics
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Find the circumference of the circle with the given radius or diameter.r = 7.3 in.
A. 167.4 in. B. 22.9 in. C. 46 in. D. 45.87 in.
Mathematics
Choose the graph which matches the function.y = sin x + cos 2x - sin 3x - cos 4x
A. 
B. 
C. 
D. 
Mathematics
Multiply vertically.(3x2 - 4x + 3)(x2 - 4x - 4)
A. 3x4 - 12x3 + 7x2 + 4x - 12 B. 3x4 - 12x3 + 4x2 + 4x - 12 C. 3x4 - 16x3 + 4x2 + 4x - 12 D. 3x4 - 16x3 + 7x2 + 4x - 12
Mathematics
Use the product rule, quotient rule, or power rule to expand the logarithmic expression. Wherever possible, evaluate logarithmic expressions.log11
A. 11
B. 1 - log11x
C. - log11x
D. 
Mathematics