Multiply the expressions.(z - 7)2
A. z2 - 14z + 49
B. z2 + 49
C. z + 49
D. 49z2 - 14z + 49
Answer: A
Mathematics
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Multiply the expressions.(z - 15)2
A. z + 225 B. z2 - 30z + 225 C. z2 + 225 D. 225z2 - 30z + 225
Mathematics
Solve the equation. Express radicals in simplest form.(x + 5)2 = 20
A. {2
- 5, 2
+ 5}
B. {2
, -2
}
C. {-5 + 2
, -5 - 2
}
D. {-5 + 2
, -5 - 2
}
Mathematics
Simplify and add or subtract wherever possible.
+ 
- 
A. 123
B. 9
C. 9
D. -120
Mathematics
In how many ways can a club flush be obtained? ?
A. 154,440 B. 1,287 C. 2,598,764 D. 2,475,391 E. 1,382
Mathematics