Solve the exponential equation. Express the solution set in terms of natural logarithms.5 x + 7 = 2
A. 
B. 
C. 
D. {ln 2 - ln 5 - ln 7}
Answer: B
Mathematics
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Solve the problem.Tom Quig traveled 240 miles east of St. Louis. For most of the trip he averaged 60 mph, but for one period of time he was slowed to 20 mph due to a major accident. If the total time of travel was 6 hours, how many miles did he drive at the reduced speed?
A. 70 miles B. 60 miles C. 55 miles D. 80 miles
Mathematics
Solve the compound inequality.6x - 2 > 1 or - 
x ? 3
A. 
B. (-?, -9] ? 
C. No solution
D. [-9, ?)
Mathematics
Find the depreciation per unit. Round to the nearest cent.Cost: $655,000Salvage: $65,500Est. Life: 62,000 hours
A. $95.10 B. $10.56 C. $9.51 D. $105.60
Mathematics
Complete the identity.csc2 
= ?
A. 
B. 
C. 
D. 
Mathematics