Find the measure of ?x in the triangle.
A. 192°
B. 96°
C. 22°
D. 12°
Answer: D
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Simplify the expression.3 ln 
A. 3
B. 
C. e
D. 1
Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.
A. not a function B. function
Suppose that the following table shows the average hourly earnings for full-time production workers in various industries for selected years. The linear regression equation for hourly earnings as a function of time is given by 
(where x is the number of years after 1970 and y is the average hourly wage). What does this model predict for the average hourly earnings in 2024? Round your answer to two decimal places.
? Year Earnings Year Hourly Earnings 1970 2.99 1994 20.55 1975 6.65 1996 22.02 1980 10.31 1998 23.48 1985 13.97 2000 24.95 1990 17.63 2002 26.41 1992 19.09 2004 27.87 2006 29.34 A. $42.51 B. $327.10 C. $43.41 D. $326.20 E. $325.80
Divide.
A. 5x + 5 + 
B. 5x - 30x3 + 
C. 13x + 5
D. 5x + 5