Use graphs to find the set.(9, ?) ? [18, ?)
A. (9, 18]
B. (-?, ?)
C. [18, ?)
D. (9, ?)
Answer: C
Mathematics
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Multiply.8 ? 0
A. 16 B. 1 C. 8 D. 0
Mathematics
Solve the problem.The minute hand of a clock is 5 inches long. What distance does its tip move in 20 minutes?
A. 
? in.
B. 
? in.
C. 
? in.
D. 
? in.
Mathematics
Solve the problem. Leave your answer in polar form.z = 5(cos 200° + i sin 200°)w = 4(cos 50° + i sin 50°)Find 
.
A. 
(cos 40° + i sin 40°)
B. 
(cos 150° + i sin 150°)
C. 
(cos 40° + i sin 40°)
D. 
(cos 150° + i sin 150°)
Mathematics
Solve the problem.Joe has a collection of nickels and dimes that is worth $4.25. If the number of dimes was doubled and the number of nickels was increased by 10, then the value of the coins would be $7.85. How many dimes does he have?
A. 10 B. 23 C. 15 D. 31
Mathematics