Collect like terms.
x + 
y - 
x - 
y + 12
A. 
x + 
y + 12
B. 
x + 
y + 12
C. 
x + 
y + 12
D. 
x + 
y + 12
Answer: D
Mathematics
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Convert the units.646 mm2 = 
cm2
A. 6.46 B. 646 C. 0.646 D. 6460
Mathematics
Factor the sum or difference of two cubes completely.(7 - x)3 - x3
A. (7 - 2x)(x2 - 7x + 49) B. (7 - x)(x2 - 7x + 49) C. (7 + 2x)(x2 - 7x + 49) D. (7 - 2x)(3x2 - 7x + 49)
Mathematics
Write the fraction as a decimal.
A. 0.3548 B. 0.03548 C. 0.003548 D. 3.548
Mathematics
Fill in the blank with one of the words or phrases listed below.
measures the amount of surface of a region.
A. Square root B. Area C. Perimeter D. Volume
Mathematics