Use a calculator to find the value of the trigonometric function to four decimal places.cos 
A. 1.0697
B. 0.2588
C. 0.1888
D. 0.9997
Answer: B
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Juan scored 7 points higher on his midterm and 20 points higher on his final than he did on his first exam. If his mean (average) score was 39, what was his score on the first exam? ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Convert the given interest rate to decimal form if it is given as a percentage, and to a percentage if it is given in decimal form.0.25 to percent
A. 25% B. 2.25% C. 2.5% D. 0.0025%
Let X be a point obviously outside the figure. Draw 
. How many times does it cross the curve?
?
?
A. it will cross the curve an odd number of times B. it will cross the curve an even number of times
Determine the domain of the function. Express your answer in interval notation.f(x) = 
A. [19, ?) B. [0, ?) C. [-19, ?) D. (-?, ?)