Add. Use a number line only as a check.19 + (-19)
A. 1
B. -38
C. 0
D. 38
Answer: C
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Provide an appropriate response. If you divide a large fraction by another smaller fraction, the result is a number that is:
A. smaller than either of the fractions. B. halfway between the two fractions. C. equal to only one of the fractions. D. larger than either of the fractions.
Use the frequency polygon to answer the following.The frequency polygon shows the salaries of employees of a small company.
The greatest number of employees are in which salary group?
A. $50,000-$60,000 B. $30,000-$35,000 C. $50,000-$55,000
Multiply or divide, as indicated. Simplify the answer.
A. 3i B. -3i C. -3 D. 3
Solve the problem.A new car dealership sold 291 cars in 2000, and sales are increasing by about 50 cars per year. Let s be the number of cars sold in the year that is t years since 2000. Find an equation for a linear model to describe this situation. Then solve that equation for t.
A. t = 
B. t = 
C. t = 
D. t = 