Perform the indicated operation.74.03 + 92.19 + 29.636
A. 196.856
B. 195.956
C. 195.866
D. 195.856
Answer: D
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Solve the problem.A map shows that city A is 30 miles north of city B. A ruler shows that the cities are 2
inches apart on the map. How many actual miles are represented by each inch on the map?
A. 15 miles
B. 12 miles
C. 
miles
D. 450 miles
Solve.A train leaves a town traveling at a speed of 20 miles per hour. Thirty minutes later another train, traveling at 60 miles per hour, leaves the same town in the same direction on a parallel track. How long will it take this train to catch up?
A. 36 min B. 40 min C. 45 min D. 60 min
Find the product.(9a3 + 7c)(9a3 - 7c)
A. 9a6 - 7c2 B. 81a6 + 126a3c - 49c2 C. 81a6 - 126a3c - 49c2 D. 81a6 - 49c2
Write the expression in interval notation. Graph the interval.4 ? x
A. [-?, 4)
B. (4, ?)
C. [4, ?)
D. (-?, 4]