Translate the phrase to an algebraic expression. Use x to represent "a number."The difference of a number and fifteen
A. 
B. 15x - 15
C. 15 - x
D. x - 15
Answer: D
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Solve.A guy wire to a tower makes a 73° angle with level ground. At a point 40 ft farther from the tower than the wire but on the same side as the base of the wire, the angle of elevation to the top of the tower is 
Find the length of the wire to the nearest foot.
A. 90 ft B. 95 ft C. 50 ft D. 45 ft
Simplify.-13 + (5 ? 2 + 30) ÷ 5
A. 3 B. 5 C. 1 D. -5
The graph of the function f is shown below. Match the function g with the correct graph.g(x) = f(x) - 1
A. 
B. 
C. 
D. 
Solve the problem.A pendulum swings through an arc of 140 centimeters. On each successive swing, the length of the arc is 
of the length of the previous length. Find the total distance the pendulum travels before it comes to rest.
A. 185 cm B. 470 cm C. 210 cm D. 420 cm