Factor when possible.x2 + 2xy - 15y2
A. (x - 5y)(x + y)
B. (x + 5y)(x - 3y)
C. (x - y)(x + 3y)
D. (x - 5y)(x + 3y)
Answer: B
Mathematics
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List the elements in the set.{
x is an even integer smaller than 8}
A. {..., -6, -4, -2, 0, 2, 4, 6} B. {0, 2, 4, 6} C. {2, 4, 6} D. {..., -6, -4, -2, 2, 4, 6}
Mathematics
Write the whole number in standard form.3000 + 70 + 4
A. 374 B. 347 C. 3740 D. 3074
Mathematics
Convert.0.049 kilometers = millimeters
A. 49,000 B. 49 C. 4900 D. 490,000
Mathematics
Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Mathematics