Factor completely, if possible.x2 - 4xy + 4y2
A. (x - 2y)2
B. (x + 2y)2
C. Not possible
D. (x - 2y)(x + 2y)
Answer: A
Mathematics
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Write the first five terms of the sequence {an}.a1 = 1, an + 1 = an + 3
A. 1, 4, 7, 10, 13, 16 B. 4, 7, 10, 13, 16 C. 1, 4, 7, 10, 13 D. 1, 3, 9, 27, 81, 243
Mathematics
Add or subtract.16
+ 
A. 7
B. 7
C. 24
D. 23
Mathematics
Solve the formula for the specified letter.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR - E + Ir
Mathematics
Simplify.(60 + 62) ÷ 3 ? 22
A. 108 B. 63 C. 8 D. 128
Mathematics