Convert the equation to the standard form for a hyperbola by completing the square on x and y.4y2 - 25x2 - 16y - 100x - 184 = 0
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: A
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The scores on a driver's test are normally distributed with a mean of 100.Find the score that is 2 standard deviations below the mean, if the standard deviation is 27.
A. 127 B. 73 C. 154 D. 46
Solve the problem.The March 1 unpaid balance in an account was $190. On March 7, a payment of $75 was made. The finance charge rate was 1.7% per month of the average daily balance. Find the new balance at the end of March.
A. $137.02 B. $116.70 C. $117.14 D. $117.20
Solve.During a five-year period, a company doubles its profits each year. If the profits at the end of the fifth year are $160,000, then what are the profits for each of the first four years?
A. $11,000, $22,000, $44,000, $86,000 B. $10,000, $20,000, $30,000, $40,000 C. $10,000, $20,000, $40,000, $100,000 D. $10,000, $20,000, $40,000, $80,000
Answer the question about percent. Round your answer to the nearest tenth of a percent, if necessary.225 is what percent of 1820?
A. 0.1% B. 0.0% C. 808.9% D. 12.4%