Simplify. Write your answer with positive exponents only.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine the letters or numbers.Write the binary code for the letter C.
A. 1000111 B. 1000011 C. 1100001 D. 1110011
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Find the requested value.Find sin ? if cos ? = 
and ? is in Quadrant IV.
A. - 
B. 
C. 
D. - 
Mathematics
Solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.w - x + 2y + z = 1 x + y = 1 y - z = 3
A. ? B. {(-7 - 4z, -2 - z, 3 + z, z)} C. {(-7, -2, 3, z)} D. {(-11, -3, 4, 1)}
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Find the slope and the y-intercept of the given line.5x + 7y = 48
A. -1
; 
B. 
; 
C. - 
; 
D. 1
; 
Mathematics