For the expression,a) determine the number of terms;b) write down each term; andc) write down the coefficient for each.Be sure to simplify the expression before answering.6a - 7b + 2c - 9(2a + 9b - 9c)
A. a) 3
b) 4a, 2b, -7c
c) 4, 2, -7
B. a) 3
b) -12a, -88b, 83c
c) -12, -88, 83
C. a) 3
b) -12a, 74b, -79c
c) -12, 74, -79
D. a) 3
b) -12a, -16b, 11c
c) -12, -16, 11
Answer: B
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Let 
denote sales when a dollars are spent on advertising. If 
is negative, what will be the effect on sales if advertising is increased?
?
A. Sales will increase. B. Sales will decrease. C. Sales will remain the same. D. None of the above
Write the numbers in numerical order, smallest to largest.9, -11, 23, -20, 1
A. -11, -20, 1, 9, 23 B. 23, 9, 1, -11, -20 C. 1, 9, 11, 20, 23 D. -20, -11, 1, 9, 23
Provide an appropriate response.What does the graph of the equation 
look like?
A. A sphere B. A cylinder C. A line D. A plane
Simplify the expression. All exponents should be positive integers.
-1
A. 
B. 
C. 
D. 