Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.ln e7
A. e
B. 1
C. 7
D. 
Answer: C
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Find all the terms of the finite sequence.an = 4n- 1, 1 ? n ? 5
A. 5, 9, 13, 17, 21 B. 3, 4, 5, 6, 7 C. -3, -7, -11, -15, -19 D. 3, 7, 11, 15, 19
Solve the problem.The winning times (in seconds) in a speed-skating event for men can be represented by the expression 
where x represents the year, with x = 0 corresponding to 1920. (For example in 1992, x would be 
What would the winning time in 1982 be according to the model? Round your answer to the nearest hundredth.
A. 42.49 sec B. 40.57 sec C. 41.53 sec D. 2878.29 sec
Provide an appropriate response.Solve the following system of equations by first solving Equation (1) for x and then substituting for x in Equation (2). Then solve the system again by first solving Equation (1) for 2y and substituting for 2y in Equation (2). Which procedure do you prefer? Explain why you answered as you did.?x + 2y = 6(1)3x + 2y = 4(2)
What will be an ideal response?
Find the area of the triangle.
A. A = 112.5 ft2 B. A = 270 ft2 C. A = 135 ft2 D. A = 67.5 ft2