Solve the problem.City A is at about latitude 54°S and longitude 19°E. City B is at about latitude 15°N and longitude19°E. About how far apart are the two cities?
A. 4830 mi
B. 6900 mi
C. 2730 mi
D. 3900 mi
Answer: A
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Find the exact value under the given conditions.tan ? = 
, ? < ? < 
; cos ? = - 
, 
< ? < ?Find sin (? + ?).
A. 
B. 
C. - 
D. - 
Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.x2 + 2xy + y2 - 8x + 8y = 0
A. x = 
x' - 
y' and y = 
x' + 
y'
B. x = -y' and y = x'
C. x = 
(x' - y') and y = 
(x' + y')
D. x = 
x' - 
y' and y = 
x' + 
y'
Provide an appropriate response.The amount of potential energy V (arbitrary units) stored in a compressed spring is given by V = 0.09x2, where x is the distance in millimeters the spring is compressed beyond its equilibrium point. Graph the equation using values of x of 2, 4, 6, and 8 mm.
A. 
B. 
C. 
D. 
Find the sum or difference.(-4 - 4x5 + 3x7 + 2x6) + (-6x6 - 2x5 - 5 + 4x7)
A. -3x36 - 9 B. 7x7 - 4x6 - 6x5 - 9 C. -10x7 - 10x6 - 2x5 + 6 D. 7x14 - 4x12 - 6x10 - 9