Solve the problem.In North America, coyotes are one of the few species with an expanding range. The future population of coyotes in a region of Mississippi valley can be modeled by the equation 
, where t is time in years. Use the equation to determine when the population will reach 170. (Round your answer to the nearest tenth year.)
A. 583.1 years
B. 581.3 years
C. 578.0 years
D. 586.2 years
Answer: C
Mathematics
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Solve the equation.n + 0.5n = 90
A. n = 90 B. n = 0.5 C. n = –29.5 D. n = 60 E. n = 149.5
Mathematics
Calculate how many times more intense an earthquake with a Richter number of 8.1 is than an earthquake with a Richter number of 6.2. Please round the answer to the whole number.
A. 84 B. 87 C. 79 D. 89 E. 81
Mathematics
An arithmetic sequence is given. Find the common difference and write out the first four terms.{sn} = {8n + 2}
A. d = 8; s1 = 10, s2 = 18, s3 = 26, s4 = 34 B. d = 2; s1 = 8, s2 = 10, s3 = 18, s4 = 26 C. d = 2; s1 = 10, s2 = 18, s3 = 26, s4 = 34 D. d = 8; s1 = 8, s2 = 10, s3 = 18, s4 = 26
Mathematics
Simplify. Assume that all variables are nonzero.
A. 0 B. 8 C. Undefined D. 1
Mathematics