Factor out the greatest common factor with a negative coefficient.-27a2bc - 21ab + 27b2c + 3abc
A. -3ab(9ac - 7 + 9bc + c)
B. -3b(9a2c - 7a + 9bc + ac)
C. -3ab(9ac + 7 - 9bc - c)
D. -3b(9a2c + 7a - 9bc - ac)
Answer: D
You might also like to view...
Provide an appropriate response.Change 
to an improper fraction.
A. 
B. 
C. 
D. 
Solve the problem.Encode the message BEWARE OF DOG using the one-to-one function defined by f(x) = x3 - 1. Use the alphabet coding method (A = 1, B = 2, C = 3, ...). Give the inverse function that the decoder would need when the message is received.
What will be an ideal response?
Solve the problem.A sample of 200 grams of radioactive substance decays according to the function 
where t is the time in years. How much of the substance will be left in the sample after 40 years? Round your answer to the nearest whole gram.
A. 0 grams B. 1 gram C. 2465 grams D. 58 grams
Clear fractions and solve.
+ 
- 
= 0
A. - 
B. -3
C. 3
D. 