Add or subtract. Express the answer as a mixed number.
A. 6
B. 4
C. 5
D. 5
Answer: D
Mathematics
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Find the slope of the line. 
A. -5 B. -1 C. 5 D. 1
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Use the square root property to solve the quadratic equation.(p - 10)2 = - 4
A. 8, 12 B. -12, -8 C. 6, 14 D. no real solution
Mathematics
Write the English phrase as an algebraic expression. Let the variable x represent the number.Twice a number, decreased by 54
A. 2(x - 54) B. 2x + 54 C. 2x - 54 D. x - 54
Mathematics
Use the even-odd identities to find the exact value of the expression. tan (-30°)
A. -
B. 
C. - 
D. 
Mathematics