Use identities to find the exact value of the expression.sec2 70° - tan2 70°
A. 0
B. 0.70
C. 0.49
D. 1
Answer: D
Mathematics
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 0 B. 1 C. 8 D. Diverges
Mathematics
The formula for an exponential function is 
, where t is measured in months. Then the monthly percentage growth rate for y is
??
A. 1.08% B. 8% C. 0.08% D. 8.02%
Mathematics
Evaluate.
A. 5 B. 3 C. -3 D. 0
Mathematics
Complete the horizontal analysis for the balance sheet. Round to the nearest tenth of a percent.
A. 39.1%, 28.4%, 8.4%, 25.0%, 20.7%, 32.4%, 22.0% B. 71.9%, 77.8%, 92.2%, 80.0%, 82.9%, 75.5%, 81.9% C. 28.1%, 22.2%, 7.8%, 20.0%, 17.1%, 24.5%, 18.1% D. 39.0%, 28.6%, 8.4%, 25.0%, 20.7%, 32.4%, 22.1%
Mathematics