Use the quotient rule to simplify.
A. 
B. 7
C. 
D. 7
Answer: D
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Calculate, accurate to four decimal places.
A. 0.2298 B. 0.1718 C. 0.3623 D. 0.4396
Solve the problem.Find the center and radius of the sphere with the equation 2x2 + 2y2 + 2z2 - x + y - z - 9 = 0.
A. center = 
; radius = 
B. center = 
; radius = 
C. center = 
, radius = 
D. center = 
,; radius = 
Solve the problem.A rocket tracking station has two telescopes A and B placed 2.3 miles apart. The telescopes lock onto a rocket and transmit their angles of elevation to a computer after a rocket launch. What is the distance to the rocket from telescope B at the moment when both tracking stations are directly east of the rocket telescope A reports an angle of elevation of 27° and telescope B reports an angle of elevation of 57°?
A. 1.25 mi B. 3.86 mi C. 4.25 mi D. 2.09 mi
Convert the units.16 ft2 = 
yd2
A. 1.78 B. 192 C. 1.33 D. 144