Convert the measure from radians to degrees. Round your answer to two decimal places.-5.4
A. -618.50°
B. -309.70°
C. -618.80°
D. -309.40°
Answer: D
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From a police helicopter flying at 1,440 ft, a stolen car is sighted at an angle of depression of 58
. Find the distance of the car (to the nearest ft) from a point directly below the helicopter.
?
A. 900 ft B. 1,221 ft C. 2,304 ft D. 763 ft E. 890 ft
Solve the logarithmic equation.log5(x + 5) + log5(x - 5) = 2
A. 
B. 
C. 5
D. 50
Find an expression for the nth term of the arithmetic sequence.- 
, - 
, - 
, - 
, - 
, . . .
A. an = - 
B. an = - 
C. an = - 
D. an = - 
The total weekly sales for a newly released portable media player (PMP) increased each week. At the same time, the total weekly sales for another newly released PMP decreased each week. Models that approximate the total weekly sales S (in thousands of units) for each PMP are
?
?
where x represents the number of weeks each PMP was in stores, with x = 0 corresponding to the PMP sales on the day each PMP was first released in stores. After how many weeks will the sales for the two PMPs be equal?
?
A. 11 weeks
B. 9 weeks
C. 7 weeks
D. 3 weeks
E. 5 weeks