Divide.63.21 ÷ 49
A. 1.23
B. 1.35
C. 1.29
D. 1.39
Answer: C
Mathematics
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Solve.A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
A. 80 mph B. 40 mph C. 50 mph D. 20 mph
Mathematics
Use the properties of logarithms to simplify the expression.
ln (9t4) - ln 3
A. ln (t2)
B. ln 
C. ln (3t2)
D. ln 3(t2 - 1)
Mathematics
Find the sum.-73 + (-41)
A. 32 B. -114 C. -116 D. 114
Mathematics
Find the intersection of the sets.{-4, -2, 1, 6} ? {1, 6, 7}
A. {1, 6, 7} B. {-4, -2, 1, 6} C. {1, 6} D. {-4, -2, 1, 6, 7}
Mathematics