Simplify.2 ? 6 - 9
A. 108
B. 3
C. 6
D. 21
Answer: B
Mathematics
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Find the limit, if it exists.
A. ±
B. 3.5
C. 
D. Does not exist
Mathematics
Solve the problem.A rumor is spread at an elementary school with 1200 students according to the model 
where N is the number of students who have heard the rumor and d is the number of days that have elapsed since the rumor began. How many students will have heard the rumor after 5 days?
A. 1006 students B. 689 students C. 661 students D. 1063 students
Mathematics
Solve the equation graphically. Round to the nearest thousandth.ln
= 7 - log2
A. -2.848; 2.848 B. -2.698; 2.698 C. -2.682; 2.682 D. -2.836; 2.836
Mathematics
What number should be added to complete the square of the expression?x2 + 16x
A. 128 B. 64 C. 32 D. 8
Mathematics