Change the equation to standard form.
?
?
A. ?
B. 
C. ?
D. ?
E. none of these
Answer: B
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?The circumference of the Earth is approximately 24,884.5 miles, using 3.14 for ?. What is the diameter of the Earth? ?
A.
?7,925miles
B.
?3,962.5miles
C.
?
miles
D.
?
miles
E.
?Cannot be determined.
Solve the problem.Melissa invested a sum of money at 3% annual interest. She invested three times that sum at 5% annual interest. If her total yearly interest from both investments was $5400, how much was invested at 3%?
A. $30,000 B. $67,500 C. $22,500 D. $202,500
Find the indicated derivative.Find y ''' if y = 2x sin x.
A. y ''' = - 2x cos x + 6 sin x B. y ''' = 4 cos x - 2x sin x C. y ''' = - 2x cos x - 6 sin x D. y ''' = 2x cos x + 6 sin x
Find the mode or modes for the list of numbers.Ages of parents (in years) at the school: 20, 29, 46, 29, 49, 29, 49
A. 46 years B. 29 years C. 49 years D. 35.9 years