Write a system of equations for the problem, and then solve the system.A biologist collected 305 fern and moss samples. There were 37 fewer ferns than moss samples. How many fern and moss samples did the biologist collect?
A. Fern samples: 171; moss samples: 268
B. Fern samples: 171; moss samples: 134
C. Fern samples: 104; moss samples: 134
D. Fern samples: 134; moss samples: 171
Answer: D
Mathematics
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Convert to logarithmic form.323/5 = 8
A. log332 = 
B. 
= 32
C. log328 = 
D. log832 = 
Mathematics
Find the rate. Round to the nearest tenth of a percent.Principal: $35,000Time: 60 daysInterest: $548
A. 1.6% B. 9.5% C. 16.0% D. 9.4%
Mathematics
Evaluate the indefinite integral.
Mathematics
Solve the problem.A pendulum bob swings through an arc 80 inches long on its first swing. Each swing thereafter, it swings only 70% as far as on the previous swing. How far will it swing altogether before coming to a complete stop? Round to the nearest inch when necessary.
A. 133 inches B. 114 inches C. 267 inches D. 229 inches
Mathematics