Collect like terms.-6y - 2x - 4x
A. -12xy
B. -6y - 6x
C. -6y - 2x
D. -6y + 2x
Answer: B
Mathematics
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Solve the problem.Two tracking stations are on an east-west line 119 miles apart. A weather balloon is located on a direction of 
from the western station and a direction of 
from the eastern station. How far is the balloon from the western station?
A. 429 miles B. 377 miles C. 438 miles D. 386 miles
Mathematics
Solve the problem by combining like terms.Find the perimeter of a triangle whose sides are of lengths 3x, 
and x.
A. 7x + 1 B. 9x2 + 3x C. 6x + 1 D. 7x
Mathematics
Solve the equation for x.sin-1 
- cos-1 x = 0
A. {0}
B. 
C. 
D. ?
Mathematics
Determine whether the pair of lines is parallel, perpendicular, or neither. 3x - 2y = -1 2x + 3y = -1
A. Parallel B. Perpendicular C. Neither
Mathematics