Perform the indicated operation. Simplify the result if possible.2 yd 2 ft × 7
A. 26 yd 2 ft
B. 18 yd 2 ft
C. 6 yd 1 ft
D. 18 yd 1 ft
Answer: B
Mathematics
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Find the length of the curve.y = ln(ex - 1) - ln(ex + 1) from x = ln 6 to x = ln 7
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics
Answer yes or no.Let n = 24 ? 51 ? 112. Is 24 ? 52 ? 111 = 4400 a factor of n?
A. Yes B. No
Mathematics
Collect like terms.9.2a + 9.6b - 1.8a - 6.5b
A. 7.4a + 16.1b B. -7.4a + 3.1b C. 11.0a + 16.1b D. 7.4a + 3.1b
Mathematics
Solve the equation. Give an exact solution.3x + 8 = 2
A. 
B. 
C. {log 2 - log 3 - log 8}
D. 
Mathematics