Use the square root method to solve the equation. x2 + 2 = 171
A. ±12
B. ±13
C. 13
D. 85.5
Answer: B
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Provide an appropriate response.Solve the equation: 5 = 8 - x
A. x = 
B. x = -3
C. x = 13
D. x = 3
Solve the problem.The cost of renting a certain type of car is $40 per day plus $0.11 per mile. Find a linear function f(x) that expresses the cost of renting a car for one day as a function of the number of miles driven x.
A. f(x) = (x + 0.11) + 40 B. f(x) = 40x + 0.11 C. f(x) = 0.11x + 40x D. f(x) = 0.11x + 40
Write the sentence with symbols, using x to represent the number.When 2 is added to another number the result is -4.
A. -6 - 4 = x B. -4 - 2 = x C. x - 4 = 2 D. x + 2 = -4
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00