Simplify.
A. -i
B. 10i
C. ±10
D. -10i
Answer: B
Mathematics
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Determine if the given polar coordinates represent the same point.(8, ?/6), (8, 7?/6)
A. Yes B. No
Mathematics
Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.A pollster uses a computer to generate 500 random numbers, then interviews the voters corresponding to those numbers.
A. Systematic B. Stratified C. Convenience D. Simple random
Mathematics
Use properties of the order relation to solve the inequality. Express answer in simplified form.
x + 
< 
A. x > 
B. x < 
C. x > 
D. x < 
Mathematics
Provide an appropriate response.Solve the system of equations using the addition method: x + 2y = 6 2x - 3y = -16
A. x = 14, y = -4
B. x = 0, y = 5
C. x = -2, y = 4
D. x = -2, y = 2
Mathematics