Simplify.
A. ±50
B. -50i
C. 50i
D. i
Answer: C
Mathematics
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Answer the question.What does the digit 7 mean in the number 189,247?
A. 7 ones B. 7 tens C. 7 thousands D. 7 hundreds
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Solve.Find an equation of an ellipse with vertices (0, -10) and (0, 10) and eccentricity equal to 
.
What will be an ideal response?
Mathematics
Evaluate.
A. 1 B. 362,880 C. 9 D. 0
Mathematics
Solve the problem.Let f(x) compute the cost of a rental car after x days of use 
per day. What does 
compute?
A. The number of days rented for x dollars B. The cost of rental for 26 days C. The number of days rented for 26 dollars D. The cost of rental for x days
Mathematics