Find the exact value of the expression without using a calculator.cos 
cos 
- sin 
sin 
A. 
B. 
C. 1
D. 
Answer: D
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Solve.Given 2.3 inches is one side of a golden rectangle, find the length of the other side. Notice that the other side could be either longer or shorter than the given side. Use the approximation 
A. 3.73 in. or 1.42 in. B. 6.03 in. or 0.88 in. C. 3.73 in. or 0.70 in. D. 6.03 in. or 1.14 in.
Find the area.
A. 532 yd2 B. 722 yd2 C. 779 yd2 D. 1064 yd2
Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.-
A. rational, real B. whole, real C. irrational, real D. integers, real
The graduates at a southern university are shown in the table. 
A student is selected at random from the graduating class.Find the probability that the student is female, given that an education degree is not received, P(F|E').
A. P(F|E') = 
B. P(F|E') = 
C. P(F|E') = 
D. P(F|E') = 