Solve the problem.Two tracking stations are on the equator 140 miles apart. A weather balloon is located on a bearing of 
from the western station and on a bearing of 
from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
A. 751 mi
B. 742 mi
C. 659 mi
D. 668 mi
Answer: B
Mathematics
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Solve the system of equations.-5x - y - 3z = -584x + 7z = 602y + z = 16
A. No solution B. (-8, 6, 16) C. (8, 4, 6) D. (8, 6, 4)
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Solve the equation on the interval [0, 2?).2 cos2 x + sin x - 2 = 0
A. 
, 
, 
, 
B. 
, 
C. 0, ?, 
, 
D. 
, 
Mathematics
Determine whether the statement is true or false.The function f(x) = 
is symmetrical with respect to the y-axis.
A. True B. False
Mathematics
The graph of a function f is given. Use the graph to answer the question.For what values of x is f(x) > 0?
A. (-3, ?) B. [-5, -3), (3.5, 5) C. (-3, 3.5) D. (-? -3)
Mathematics