Find the exact value of the expression.
A. 
B. 
C. - 
D. - 
Answer: C
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Solve the problem.A lake lies between A and C, and lines AB and DE run north-south. If AB = 8.0 mi, DE = 1.3 mi, and DC = 1.4 mi, how far is it from A to C? Round to the nearest tenth.
A. 7.2 mi B. 7.4 mi C. 9.0 mi D. 8.6 mi
Solve the problem.The formula C = 497x + 184 models the data for the cost to produce x units of a product, where C is given in dollars. How many units can be produced for a cost of $149,284?
A. 225 units B. 300 units C. 600 units D. 150 units
Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (-1, 7) B. (1, 7) C. (-7, -1) D. (7, 1)
Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of 
in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. 
in.
B. 
in.
C. 
in.
D. 
in.