Perform the indicated matrix operations.Let B = 
. Find -3B.
A. 
B. 
C. 
D. 
Answer: C
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Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.Find the sum of (6x5 - 4x3 + 9x) and (2x5 + 8x3 - 7x).
A. 8x5 + 4x3 + 2x B. 14x9 C. 8x + 4x5 + 2x3 D. 11x5 + 14x3 - 11x
Describe what the given ordered pair represents.Let a be the total amount of money spent on advertising (in millions of dollars) by a national retail company at t years since 2000. What does the ordered pair (-4, 3.1) represent?
A. Over the last 4 years $3.1 million was spent on advertising. B. $3.1 million was spent on advertising in 1996. C. Since 1996 $3.1 million has been spent on advertising. D. $3.1 million was spent on advertising in 2004.
Use either the binomial theorem or Pascal's Triangle to expand the binomial.(x + 9)5
A. x5 + 45x4 + 1620x3 + 14,580x2 + 32,805x + 9 B. x5 + 45x4 + 1620x3 + 14,580x2 + 32,805x + 59,049 C. x5 + 45x4 + 810x3 + 7290x2 + 32,805x + 9 D. x5 + 45x4 + 810x3 + 7290x2 + 32,805x + 59,049
Solve.Sam and Sally went out to dinner. The dinner bill was $58.47 plus a 10% tip. If they split the total cost, how much did Sam pay, rounded to the nearest cent?
A. $64.32 B. $2.92 C. $32.16 D. $29.24