Add. Combine like terms, and write the answer in descending order.(3a2 - 5a + 1) + (9a - 6)
A. 3a2 + 14a + 5
B. 3a2 + 8a + 7
C. 3a2 + 4a - 5
D. 7a2 - 5
Answer: C
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Use either the binomial theorem or Pascal's Triangle to expand the binomial.(a - b)6
A. a6 + 6a5b + 15a4b2 + 20a3b3 + 15a2b4 + 6ab5 + b6 B. a6 - 6a5b - 15a4b2 - 20a3b3 - 15a2b4 - 6ab5 - b6 C. -a6 + 6a5b - 15a4b2 + 20a3b3 - 15a2b4 + 6ab5 - b6 D. a6 - 6a5b + 15a4b2 - 20a3b3 + 15a2b4 - 6ab5 + b6
Use a calculator to perform the indicated operation.14.56 + 50.5(23.9) - 3.65 ÷ 1.98 (round to two decimal places)
A. -1190.55 B. 1553.09 C. 1219.67 D. 615.08
Find the average rate of change for the function over the given interval.y = -3x2 - x between x = 5 and x = 6
A. 
B. -34
C. -2
D. - 
Solve the system using the matrix inverse method.-3x - y - 3z = -23-6x + 8y - 8z = 28 9x - 6y + z = -27
A. {(2, 3, 8)} B. {(-2, 8, 4)} C. {(2, 8, 3)} D. ?