Solve the problem.On a recent trip, Sarah's car traveled 20 mph faster on the first 120 miles than it did on the remaining 80 miles. The total time for the trip was 4 hr. Find the speed of Sarah's car on the first part of the trip.
A. 60 mph
B. 10 mph
C. 40 mph
D. 35 mph
Answer: A
Mathematics
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Use the comparison test to determine if the series converges or diverges.
A. Diverges B. Converges
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Determine which numbers in the set are whole numbers.
A) 10, 14
B) 10, –12, 0, –20, 14
C) 10, 0, 14
D) 
E) 
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Which of the following values most closely approximates ??
(a) 3 10/71 (b) 3 1/7 (c) 3.15 (d) 3.14 (e) 23/7
Mathematics
Write the number in scientific notation.88.746
A. 8.8746 × 101 B. 8.8746 × 10-2 C. 8.8746 × 102 D. 8.8746 × 10-1
Mathematics