Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Answer: A
Mathematics
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Decide if the number is rational or irrational.
A. Rational B. Irrational
Mathematics
Find the midpoint of the segment with the given endpoints.(-4, -7) and (7, 1)
A. 
B. 
C. 
D. 
Mathematics
Find an equation of variation for the given situation.y varies jointly as x and the square of z, and y = 60.9854 when x = 0.2 and z = 4.9
A. y = 13.2x
B. y = 14.9xz2
C. y = 2.54x2z2
D. y = 12.7xz2
Mathematics
Compute and simplify the difference quotient 
, h ? 0.f(x) = 5x2 + 7x
A. 15x - 7h + 14 B. 10x2 + 5h+ 7x C. 10x + 5h + 7 D. 10x + 7
Mathematics