Find the product.(x + 8)(4x + 12)
A. 4x2 + 42x + 96
B. 4x2 + 96x + 44
C. 4x2 + 44x + 44
D. 4x2 + 44x + 96
Answer: D
Mathematics
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Solve the problem.If v = -5i - 4j + k and w = -4i - 5j - k, find a vector perpendicular to both v and w.
A. 9i - 9j + 9k B. -13i + 15j - 35k C. -9i + 9j - 9k D. -17i + 21j - 37k
Mathematics
Write the number in scientific notation.0.0065
A. 6.5 × 104 B. 6.5 × 10-4 C. 6.5 × 103 D. 6.5 × 10-3
Mathematics
Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(-8x5)(-4x4)
A. -12x9 B. -32x20 C. 32x9 D. -12x20
Mathematics
For the demand equation 
, where x represents the quantity demanded in units of a thousand and p is the unit price in dollars, select the demand curve.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics