Determine whether the lines through each pair of points are perpendicular.(-7, -10) and (13, -24); (-12, -10) and (-5, 0)
A. not perpendicular
B. perpendicular
Answer: B
Mathematics
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Draw the angle.-120°
A. 
B. 
C. 
D. 
Mathematics
Find the range of the given function.f(x) = -8x + x2 + 26
A. (-?, 0] B. [-4, ?) C. [10, ?) D. [4, ?)
Mathematics
Simplify the fraction.
A. 
B. 
C. 
D. 
Mathematics
Write the expression in expanded form.logb
A. 
logbx ? logby ÷ 4 logbz
B. 
logbx + logby - 4 logbz
C. 
logbx - logby + 4 logbz
D. 
logbx + 2 logby - 8 logbz
Mathematics