Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.cos2 x - 1 = 0
A. {2n?}
B. 
C. {n?}
D. 
Answer: C
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Solve the problem.The city bridge has 6 lanes, all carrying equal numbers of cars. If 252 cars drive across the bridge, how many cars cross in each lane?
A. 42 cars B. 48 cars C. 258 cars D. 43 cars
The graph of a function f is given. Use the graph to answer the question.For what values of x is f(x) < 0?
A. [-20, -12), (14, 20) B. (-?, -12) C. (-12, 14) D. (-12, ?)
Fill in the digits for the given place values in the following whole number.4,887,567millions 
thousands 
A. millions: 8, thousands: 7 B. millions: 5, thousands: 6 C. millions: 4, thousands: 7 D. millions: 4, thousands: 8
Classify the type of probability as logical, empirical, or judgmental.Pr(Kevin rolls four 6's when he rolls a die 8 times)
A. Judgmental B. Empirical C. Logical