Write the expression in the standard form a + bi.(6 + 2i)(6 - 2i)
A. 32
B. 36 - 4i
C. 36 - 4i2
D. 40
Answer: D
Mathematics
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Graph.x2 - y2 = 8
A. 
B. 
C. 
D. 
Mathematics
Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value.
A. -14 B. Does not exist C. -7 D. 0
Mathematics
Solve the problem.The sales tax rate in one state is 6.75%. How much tax will be charged on a purchase of 4 chairs at $52 apiece? Round your answer to the nearest cent.
A. $55.51 B. $140.40 C. $14.04 D. $3.51
Mathematics
For the points P and Q, find the coordinates of the midpoint of the segment PQ.P(11
, - 
), Q(-
, 0)
A. 
B. 
C. (-5, 10)
D. 
Mathematics