Write each inequality in interval notation and graph the interval on a number line.x < -4
A. (-?, -4)
B. [-4, ?)
C. (-?, -4]
D. (-4, ?)
Answer: A
Mathematics
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Write the sum in summation notation.3 + 6 + 9 + 12 + 15
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.
- 
+ 
A. - 
B. - 
C. 
D. - 
Mathematics
Solve the equation.
- 
= 3
A. {3, 8} B. {-2} C. {2, 38} D. {2}
Mathematics
Write the rate as a unit rate.185 miles in 5 hours
A. 37 miles B. 190 miles per hour C. 925 miles D. 37 miles per hour
Mathematics