Evaluate the expression.-2 - (-2)
A. -2
B. -4
C. 0
D. 2
Answer: C
Mathematics
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Find the sample standard deviation.6, 7, 5, 11, 18, 14, 20, 12, 13, 18
A. 1.4 B. 4.8 C. 4.9 D. 5.3
Mathematics
Factor the trinomial completely.96x2 + 56xy + 8y2
A. 8(3x + y)(4x + y) B. (24x + 8y)(4x + y) C. 8(3x - y)(4x - y) D. prime
Mathematics
Identify the equation as either an identity or not.2 cos 5x sin x = sin 6x + sin 4x
A. Not an identity B. Identity
Mathematics
Write an equation for the line described. Write the equation in the form specified.perpendicular to 2x - 5y = -19, through (3, -5); slope-intercept form
A. y = 
x + 
B. y = - 
x - 
C. y = - 
x - 
D. y = - 
x + 
Mathematics