Solve by substitution and check.x + y = 9 y = 2x + 3
A. (7, 2)
B. (2, 7)
C. (3, 6)
D. (1, 9)
Answer: B
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Use Pascal's triangle to expand the binomial.(x - 9)5
A. x5 - 45x4 + 1620x3 - 14,580x2 + 32,805x - 9 B. x5 - 45x4 + 810x3 - 7290x2 + 32,805x - 9 C. x5 - 45x4 + 810x3 - 7290x2 + 32,805x - 59,049 D. x5 - 45x4 + 1620x3 - 14,580x2 + 32,805x - 59,049
Write the fraction.Of the 87 teachers at a school, 40 are women. What fraction of the teachers are women?
A. 
B. 
C. 
D. 
Perform the division. Write the answer with positive exponents.
A. 3x - 16x3 + 
B. 6x - 4
C. 3x - 4
D. 3x - 4 + 
Provide an appropriate response.Which of the following would be an option to consider when purchasing an annuity?
A. how the money is invested B. the level of risk of the investment C. whether to invest with pre-tax or taxed money D. all of these are important considerations when purchasing an annuity