Solve the problem.A bookstore is having a sale. All books included in the sale have a colored sticker on them to indicate the sale price. There are green stickers, red stickers, and orange stickers. Bob, Sue, and Fred each make purchases of books that are on sale. Each row of the table gives information about the numbers of book purchases and the total cost of the purchase (before taxes).
Use this information to set up a matrix equation of the form 
which can be solved to determine the price for each type of sale book. Solve this matrix equation to find the price of a
book with a red sticker.Use the fact that for A = 
, A-1 = 
.
A. $6.50
B. $6.99
C. $6.87
D. $6.79
Answer: C
Mathematics
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Decide whether the statement makes sense. Explain your reasoning.Martin demanded a second election because he lost to Simon in a close Borda count vote. In the second election, the voters did not change their preferences but one of the other losing candidates dropped out. Martin won the second election.
What will be an ideal response?
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Provide an appropriate response.If h(x) = 
, find functions f and g such that h(x) = f(g(x)).
What will be an ideal response?
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Simplify.7(
) + 
(
)
A. 122
B. 
C. 46
D. 
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Find the mean for the frequency distribution. Round to the nearest tenth.
A. 308.7 B. 217.7 C. 109.0 D. 266.1
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