Write the sentence as a proportion.104 children is to 120 bicycles as 13 children is to 15 bicycles.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
Mathematics
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Find the area of the shaded region.
A. 
B. 
C. 
D. 
Mathematics
Find the mass of the wire that lies along the curve r and has density ?.r(t) = (3 cos t)i + (3 sin t)j + 3tk, 0 ? t ? 2?; ? = 10
A. 60?
units
B. 20? units
C. 180?
units
D. 6?
units
Mathematics
Find a positive angle less than 360° or 2? that is coterminal with the given angle.-84°
A. 276° B. 456° C. 84° D. 96°
Mathematics
A cell phone plan charges a $29.99 flat fee per month plus $0.10 for each text message sent. Write a linear function that models the cost, 
, of the plan each month for 
number of texts.
A. 
B. 
C. 
D. 
E. none of these
Mathematics