Solve the problem.Participants in a memorization experiment were able to recall an average of D digits in t minutes, where 
Use the graph below to find the approximate value of 
for t = 2.
A. 35 digits
B. 15 digits
C. 55 digits
D. -5 digits
Answer: B
Mathematics
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Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Mathematics
Write the first four terms of the recursive sequence.a1 = 10, an = 
for n ? 2
A. 10, 10, 5, 
B. 10, 5, 
, 
C. 10, 10, 
, 
D. 10, 
, 
, 
Mathematics
Find the missing number.
= 6x
A. -6x B. 36x C. 6x2 D. 36x2
Mathematics
Establish the identity.(cos ? + sin ?)2 + (cos ? - sin ?)2 = 2(cos2? + sin2?)
What will be an ideal response?
Mathematics