Write the vector in the form 
. Round values to the nearest hundredth when appropriate.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve using Cramer's rule.2x + 5y = 73x + y = -9
A. (3, -4) B. (-3, -4) C. (-4, 3) D. (4, -3)
Mathematics
The "forgetting curve" for memorizing nonsense syllables is given by equation below, where R is the percentage who remember the syllables after t seconds.
?
, 
?
In how many seconds would only 10% 
of the students remember? Round your answer to the nearest second.
?
Solve for the exact value of t in terms of R.
What will be an ideal response?
Mathematics
Find the reference angle 
, and sketch 
and in standard position.
?
?
A. 
B.
C.
= 35
D.
= 65
E.
= 55
Mathematics
Find the particular solution for the initial value problem. 
= 
; y(e) = 3
A. y = 
B. y = 3 ln |x|
C. y = 
D. y = - 
Mathematics