Use substitution to solve the system of equations.x - 5y = 322x - 5y = 29
A. Inconsistent; no solutions
B. (-2, -8)
C. (-2, -3)
D. (-3, -7)
Answer: D
Mathematics
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Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in standard position. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant IV. g(? + ?)
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the line. Write the equation using standard notation.Through (-4, 11); parallel to x = 7
A. y = 11 B. y = -4 C. x = -4 D. x = 11
Mathematics
Find the solution to the system by addition (elimination) method. 2x + 4y = -14 8x + 2y = 42
A. (7, -7) B. (-7, 7) C. (-2, 7) D. (8, -8)
Mathematics
Calculate the period of the function.f(x) = cos 13x - cos 8x
A. 2? B. 104? C. 208? D. 104
Mathematics