Add or subtract as indicated. Write the answer in simplest form.- 
- 
A. - 
B. - 
C. - 
D. - 
Answer: A
Mathematics
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Simplify. Do not use negative exponents in your answer.(a-5b-4)(a-4b-7)
A. 
B. 
C. 
D. 
Mathematics
Find the indicated value.Find n if log n = 19, where n is the number of sodium ions in a typical mammalian muscle cell.
A. n = e19 B. n = 190 C. n = 1019 D. n = 10-19
Mathematics
Use the integral test to determine whether the series converges.
A. converges B. diverges
Mathematics
Graph the linear equation.x = -3
A. 
B. 
C. 
D. 
Mathematics