Expand, where i2 = -1.(1 + i)8
A. -64
B. 16
C. 
D. 
Answer: B
Mathematics
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Perform the necessary operations.3 + 18 - 19
A. 4 B. -34 C. 2 D. -2
Mathematics
Find fractional notation for the ratio. You need not simplify.A baseball team has played 7 games so far this season. The team won 2 games. Find the ratio of games lost to games won.
A. 
B. 
C. 
D. 
Mathematics
Estimate. Then find the actual quotient.6.91 ÷ (-10,000)
A. Estimate: -0.0007; Actual: -0.000691 B. Estimate: -0.007; Actual: -0.00691 C. Estimate: -0.07; Actual: -0.0691 D. Estimate: -0.00007; Actual: -0.0000691
Mathematics
Factor.81 - 25x2
A. (9 + 5x)2 B. 81 - 25x2 C. (9 + 5x)(9 - 5x) D. (9 - 5x)2
Mathematics