Find the product.(x + 3)(-2x - 7)
A. -2x2 - 15x - 21
B. -2x2 - 13x - 21
C. -2x2 - 21x - 13
D. -2x2 - 13x - 13
Answer: B
Mathematics
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Write 0.0023 in scientific notation.
A. 2.3 × 10-3 B. 23 × 10 C. 2.3 × 103 D. 0.23 × 10-2
Mathematics
Show that the equation is not an identity by listing the value(s) of the variable from among 0, 
, 
, and - 
for which the equation is false.sin ? = 
A. 
and - 
B. 
C. - 
D. 0 and 
Mathematics
Convert the given unit of measure to the measure shown.12 kilograms to milligrams
A. 0.012 milligram B. 12,000,000 milligrams C. 1200 milligrams D. 0.12 milligram
Mathematics
Find an equation for the line tangent to the graph of the given function at the indicated point.f(x) = 
at (5, 12.5)
A. y = 5x - 12.5 B. y = 10 - 12.5 C. y = 5x - 25 D. y = 5x + 12.5
Mathematics