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
Answer: A
Mathematics
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Without graphing, tell whether the graphs of the pair of equations are parallel, perpendicular, or neither. 6x + 2y = 815x + 5y = 22
A. Parallel B. Perpendicular C. Neither
Mathematics
Solve. Write the fraction in simplest form.Given the following diagram, find L, its total length.
x = 
inch, y = 
inch, z = 
inch
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Mathematics
Identify the figure and name it using the labels shown.
A. 
, or 
B. ?CG
C. line segment CG, or 
D. line CG, or 
Mathematics
Find the magnitude 
and direction angle ?, to the nearest tenth of a degree, for the given vector v. v = -12i + 5j
A. 13; 22.6° B. 15; 157.4° C. 13; 157.4° D. 13; 112.6°
Mathematics