Subtract. Simplify, if possible.20 - 
A. 19
B. 17
C. 19
D. 20
Answer: C
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Perform the indicated operation by hand.30.73 - 25
A. 5.83 B. 5.73 C. -5.73 D. 55.73
Write a valid conclusion based on the statements.Smiling people are happy. Alert people are not happy. Careful drivers are alert. Careless drivers have accidents.
A. Careful drivers are happy. B. People who smile are alert. C. Careful drivers have accidents. D. People who smile have accidents.
Use the amortization table to find the monthly payment for the loan.AMORTIZATION (PRINCIPAL AND INTEREST PER THOUSAND DOLLARS)
What is the monthly payment on a 10-year loan of $84,900 if the annual interest rate is 6%?
A. $953.43 B. $942.39 C. $607.88 D. $716.56
Solve.Two new planets were discovered in a distant solar system. One planet is estimated to have an average surface temperature of -222°C. The second planet is believed to have an average surface temperature that is 
times that of the other planet. Find the average surface temperature on the second planet.
A. -333°C B. -222°C C. -444°C D. -555°C