Perform the indicated operation.(a + 12b)(-4a + 7b)
A. -4a2 - 41ab - 41b2
B. a2 - 41ab - 41b2
C. -4a2 - 41ab + 84b2
D. a2 - 41ab + 84b2
Answer: C
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Solve the problem.The diameter of a tree was 11 in. During the following year, the circumference increased 
About how much did the tree's diameter increase? (Leave your answer in terms of ?.)
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Find the derivative of y with respect to x, t, or ?, as appropriate.y = e(10
+ x6)
A. 
e(10
+ x6)
B. e(5
+ 6x5)
C. 10
6x5) e(10
+ x6)
D. (10
6x5) ln (10
x6)
Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15