Find an equation of the line graphed. Write the equation using function notation.
A. f(x) = -7x + 3
B. f(x) = -7x - 3
C. f(x) = 7x - 3
D. f(x) = 7x + 3
Answer: C
Mathematics
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Simplify the expression.(-2x5y)2
A. -4x5y2 B. (-2)2x7y2 C. -4x5y D. (-2)2x10y2
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Perform the indicated clock arithmetic.(-9) ? (-7) (12-hr clock)
A. 8 B. Does not exist C. 7 D. 12
Mathematics
The two triangles below are similar. Find the missing length(s).
Give your answers as mixed numbers if appropriate.
A. x = 13
; y = 18
B. x = 6; y = 12
C. x = 20; y = 28
D. x = 11
; y = 15
Mathematics
Use a double-angle identity to find the exact value of the expression.1 - 2 sin2 
A. - 
B. 
C. - 
D. 
Mathematics