Evaluate the expression without using a calculator.eln 190
A. ln 190
B. 190
C. e190
D. -190
Answer: B
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Solve the problem.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 30 questions correct. What was the percent of increase?
A. 80% B. 20% C. 16.7% D. 5%
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
Solve the problem.The value of a certain make and model of used car can depend on several factors. The table gives data for the values of three Chevy Caprice station wagons. The value V is measured in dollars, where A is the age of the car in years, and C is the condition of the car rated on a scale of 1 to 10 (10 is excellent condition).
The variables are found to be related by the equation 
Use the information given in the table to write a matrix equation which when solved will yield the values of a, b, and c. Then, using the fact that the inverse of the
matrix 
is 
, find b.
A. b = 2600
B. b = -1600
C. b = - 1400
D. b = 2200
Solve the problem.Find the first six terms of the sequence with first term 3 and nth term an = 1 - 
.
A. 3, 
, 
, -1, 2, 
B. 3, 
, - 
, 3, 
, - 
C. 3, - 
, 
, 
, - 
, 
D. 3, 
, - 
, -3, 
, 