Determine whether the two lines are parallel, perpendicular, or neither parallel nor perpendicular. 6x + 2y = 821x + 7y = 30
A. Parallel
B. Perpendicular
C. Neither
Answer: A
Mathematics
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Identify the sequence as arithmetic, geometric, or neither.9, -9, 10, -10, 11, -11, . . .
A. Arithmetic B. Geometric C. Neither
Mathematics
Let Z be the standard normal variable. Round your answers to the nearest tenth, if necessary.
?
Find the value of z if z satisfies 
.
?
__________
?
Find the value of z if z satisfies 
.
?
__________
What will be an ideal response?
Mathematics
Determine if the following is an identity.
= 
A. Identity B. Not an identity
Mathematics
Plot the point.(2, 1)
A. 
B. 
C. 
D. 
Mathematics