Add.
+ (- 
)
A. 1
B. - 1
C. - 
D. 
Answer: C
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Use the 68-95-99.7 rule to solve the problem.At one college, GPA's are normally distributed with a mean of 3 and a standard deviation of 0.4. What percentage of students at the college have a GPA between 2.6 and 3.4?
A. 68% B. 99.7% C. 95% D. 84%
Write the rational number as a decimal and state whether the decimal is repeating or terminating.
A. 0.3 terminating B. 0.25 terminating C. 0.35 terminating D. 0.15 terminating
Indicate whether the function is one-to-one.{(-10, 4), (-15, 4), (-16, 1)}
A. Yes B. No
Solve the problem.Brandon can paint a fence in 12 hours and Elaine can paint the same fence in 11 hours. How long will they take to paint the fence if they work together? Give your answer rounded to one decimal place, if necessary.
A. 5.8 hr B. 5.5 hr C. 5.7 hr D. 11.5 hr