Find the area of the shaded regions. Use ? ? 3.14 and round to the nearest tenth.
A. 3629.8 km2
B. 248.5 km2
C. 2063.5 km2
D. 907.5 km2
Answer: B
Mathematics
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Find the rate, or speed, as a ratio of distance to time. Round to the nearest hundredth when necessary.61 m, 19 sec
A. 1,159 m/sec B. 0.31 m/sec C. 3.21 m/sec D. 3.11 m/sec
Mathematics
Fill in the blank with one of the words or phrases listed below. 
By the 
property of equality, the same nonzero number may be multiplied or divided by both sides of an equation without changing the solution of the equation.
A. positive B. absolute value C. multiplication D. addition
Mathematics
Change 650 mm 3 to cm 3 .
A. 650 cm 3 B. 6.5 cm 3 C. 6,500 cm 3 D. 0.65 cm 3 E. 65 cm 3
Mathematics
Find an equation of variation for the given situation.y varies directly as z, and y = 12 when z = 96.
A. y = 
z
B. y = -2z
C. y = 8z
D. y = - 
z
Mathematics