Evaluate the expression for the given replacement values.
for x = 40, y = 5
A. 288
B. 315
C. 45
D. 72
Answer: D
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Perform the matrix operation.Given B = 
, find (-3)B.
A. 
B. 
C. 
D. 
Find the standard form of the equation of the following conic section.Hyperbola with center at the origin, vertices at (5, 0) and (-5, 0). One asymptote is 
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve the problem.There are five brands of a product on the market, three of which have very loyal customers who never change brands. The transition matrix for the five brands is shown below (where the brands are labeled A, B, C, D, and E). About how many times, on average, will a person currently using brand C use brand D before trying one of the brands that have loyal followings? Round your answer to the nearest hundredth.ABCDE
A. 0.23 B. 1.20 C. 1.32 D. 0.30
Reduce the rational expression to lowest terms.
A. 
B. 
C. 
D. 