Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. y8
D. 
Answer: D
Mathematics
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Divide.66.521 ÷ 100
A. 0.66521 B. 665.21 C. 6652.1 D. 6.6521
Mathematics
Find all six trigonometric functions of ? if the given point is on the terminal side of ?.(Assume that a is a positive number.)
?
?
A. 
; 
; 
; 
; 
B.
; 
; 
; 
; 
C.
; 
; 
; 
; 
D.
; 
; 
; 
; 
E.
; 
; 
; 
; 
Mathematics
Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Mathematics
Solve the problem.When making a long distance call from a certain pay phone, the first three minutes of a call cost $2.45. After that, each additional minute or portion of a minute of that call costs $0.50. Find the maximum number of minutes one can call long distance for $11.95.
A. at most 5 minutes B. at most 22 minutes C. at most 30 minutes D. at most 19 minutes
Mathematics