Identify the vertex of the parabola.f(x) = 
x2 - 
x
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the number in expanded form.8,486
A. (8 ? 104) + (4 ? 103) + (8 ? 102) + (6 ? 101) B. (8 ? 101) + (4 ? 102) + (8 ? 103) + (6 ? 104) C. (8 ? 103) + (4 ? 102) + (8 ? 101) + (6 ? 100) D. (8 ? 100) + (4 ? 101) + (8 ? 102) + (6 ? 103)
Mathematics
Perform the indicated operation.
? 
A. - 
B. 
C. 
D. 
Mathematics
Find the cos 43.5°
What will be an ideal response?
Mathematics
Find the sum.-8.2 + (-7.2)
A. 15.4 B. -1 C. -15.4 D. 1
Mathematics