Translate the question into a proportion. Do not solve.21.0 is what percent of 91?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: B
Mathematics
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Use logax = (ln x)/(ln a) to calculate the logarithm. Round to the nearest ten thousandth.log2 78.05
A. 0.1591 B. 6.2863 C. 39.0250 D. 1.8924
Mathematics
Convert the units using unit fractions.6 wk = 
days
A. 144 B. 84 C. 360 D. 42
Mathematics
Find the center of mass of a thin plate of constant density covering the given region.The region bounded by y = x2 and y = 9
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 15
Mathematics
Solve the problem.Find the difference in altitude between an ocean floor 
below sea level and an ocean canyon 
below sea level.
A. -292 feet B. 152 feet C. 292 feet D. -152 feet
Mathematics