Solve.The difference between a country's exports and imports is called the country's trade balance. A country had a trade balance of -$102 billion one year, $98 billion the next year, and -$37 billion the third year. What was the total trade balance for these three years?
A. -237 billion dollars
B. 237 billion dollars
C. -41 billion dollars
D. 41 billion dollars
Answer: C
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Write the words for the dollar amount as you would on a check.$73.91
A. Seventy-three and 
dollars
B. Seventy-three dollars and 91 cents
C. Seventy-three 
dollars
D. Seventy-three dollars and 
Evaluate the expression for the given replacement values. Write the answer in simplest form.x + y for x = 
, y = 
A. 
B. 
C. 
D. 
Divide.-0.8 ÷ (-0.4)
A. -1.9 B. 2 C. 0.32 D. -2
Solve the problem. First use front end rounding. Then find the exact answer.Find the total amount Lisa stashed in an envelope on her dresser if she placed $485 there at the end of each week, for 3 weeks.
A. Estimate: $1500; exact: $1470 B. Estimate: $1470; exact: $1455 C. Estimate: $1470; exact: $1470 D. Estimate: $1500; exact: $1455