Evaluate the expression.
A. 0
B. 7
C. 21
D. 1
Answer: C
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Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(15, 20); Find cos ?.
A. 
B. 
C. 
D. 
Find all possible solutions to the problem.A rectangle has an area of 42 in2. Its length and width are whole numbers. What are the possibilities for the two numbers?
A. 2 and 21, 3 and 14 , 6 and 7 B. 1 and 42, 2 and 28, 3 and 14, 6 and 7 C. 1 and 42, 2 and 21, 3 and 14 , 4 and 8, 6 and 7 D. 1 and 42, 2 and 21, 3 and 14 , 6 and 7
Use the table(s) to evaluate the given expression.
(-3) =
A. -5 B. -7 C. -3 D. -10
Provide an appropriate response.The graph of an exponential function with base a is given. Is a > 1 or is 0 < a < 1? Explain how you arrived at your answer. Give the domain and range of f. f(x) = ax 
What will be an ideal response?