Simplify.log121
A. 
B. 0
C. 12
D. 1
Answer: B
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You are laying phone cable between two cities and must cross a lake. You will lay L miles on land. The cost C, in dollars, depends on how much cable is on land and how much is in water. The relationship is
.
?
How much cable do you lay on land to achieve a minimum cost, and what is that minimum cost? Round your answers to two decimal places.
?
A. The minimum cost of $7.25 is achieved if you lay 2543.73 miles of cable on land. B. The minimum cost of $2543.73 is achieved if you lay 7.25 miles of cable on land. C. The minimum cost of $5.32 is achieved if you lay 2541.63 miles of cable on land. D. The minimum cost of $2541.63 is achieved if you lay 5.32 miles of cable on land.
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.B = 106°, b = 5, a = 23
A. one triangle A = 54°, C = 21°, c = 32 B. one triangle A = 52°, C = 21°, c = 30 C. one triangle A = 53°, C = 21°, c = 28 D. no triangle
Simplify the algebraic expression.6.7m + 19.1m
A. 51.6m B. 25.8m2 C. 25.8m D. 127.97m