Determine the real solutions to the system of nonlinear equations.y = x2 - 3x2 + y2 = 5
A. (-1, -2), (1, -2)
B. (-2, 1), (2, 1)
C. (-2, 1), (-1, -2), (1, -2), (2, 1)
D. (1, -2), (4, 13)
Answer: C
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Solve.In a state with a population of 2,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? Write your answer in scientific notation.
A. $1.2 × 109 B. $12 × 1010 C. $12 × 1011 D. $1.2 × 1010
Find principal to the nearest dollar, rate to the nearest tenth of a percent, or time to the nearest day. Use banker's interest.House of Realty earned 
interest on a $18,000 deposit in an account paying 4%. Find the number of days that the funds were on deposit.
A. 315 days B. 213 days C. 210 days D. 58 days
The bar graph shows the expenditures of one city government in a recent year. 
Name the agency whose spending is between $4 million and $5 million and estimate its value.
A. Health; $5.4 million B. Fire; $5.4 million C. Health; $4.3 million D. Fire; $4.3 million
Find the indicated cross product.v = 2i + 2j, w = -3i - 5j + 5kFind v × w.
A. 25i - 15j - 11k B. 10i - 10j - 16k C. 10i - 10j - 4k D. -4i - 10j + 10k