Round to the indicated place.According to a study, life expectancy has increased by 37.57 years over the past century. Round this decimal to the nearest year.
A. 40
B. 38
C. 37.6
D. 37.57
Answer: B
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 1 - 
A. 
B. 
C. 
D. 
Mathematics
Find the surface area of the right square pyramid shown below.
Mathematics
Translate to an equation and solve. What percent of 742 is 906?Round your answer to the nearest tenth of a percent.
A. 0.1% B. 1.2% C. 122.1% D. 81.9%
Mathematics
Write the number in scientific notation.2,500,000
A. 2.5 × 10-6 B. 2.5 × 10-5 C. 2.5 × 105 D. 2.5 × 106
Mathematics