Use the given information to answer the question.The number N, in millions of Americans of age x with arthritis, is estimated with the following graph. 
Approximately how many 70-year-olds have arthritis?
A. 2,900,000
B. 275,000
C. 30,000
D. 3,900,000
Answer: A
Mathematics
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Find the limit of the sequence or determine that the limit does not exist.an = 
A. 0 B. 1 C. does not exist D. e20
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Use implicit differentiation to find dy/dx.cos xy + x3 = y3
A. 
B. 
C. 
D. 
Mathematics
Round the whole number to its highest place value.2101
A. 2000 B. 3000 C. 2100 D. 1900
Mathematics
Solve the formula for the specified variable.A = 
h(B + b) for b
A. b = 
B. b = 
C. b = 2A - Bh
D. b = 
Mathematics