Simplify, then write in descending order.5m3 + 5m2 + 15m - 16m2 + 15m - 3m3
A. 2m3 - 11m2 + 30m
B. 2m3 -11m2 - 30m
C. 2m3 + 11m2 - 30m
D. 2m3 + 11m2 + 30m
Answer: A
Mathematics
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Round the number as indicated.72,328 to the nearest hundred
A. 72,400 B. 72,310 C. 72,300 D. 72,200
Mathematics
Convert the units.770 mg = 
kg
A. 0.077 kg B. 770,000 kg C. 77,000 kg D. 0.00077 kg
Mathematics
Solve.A motorcycle traveling at 50 miles per hour overtakes a car traveling at 30 miles per hour that had a three-hour head start. How far from the starting point are the two vehicles?
A. 7
miles
B. 225 miles
C. 56
miles
D. 4
miles
Mathematics
Solve the problem.Ray's gross pay is $331.77 per week. $47.14 is withheld for federal income tax, $33.40 for FICA tax, and $10.51 for other deductions. Find his net pay.
A. $240.72 B. $261.74 C. $251.23 D. $250.72
Mathematics