Provide an appropriate response.Correct and explain the error that a student made when he added 0.32 + 2 + 60.2 this way: 
6 5.4
What will be an ideal response?
The columns were not aligned correctly. The correct answer is 62.52.
Mathematics
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Find the vector projv u.v = 2i - 2j - 4k, u = 5i - 12k
A. 
i - 
j - 
k
B. 
i - 
k
C. 
i - 
k
D. 
i - 
j - 
k
Mathematics
Solve the initial value problem.
= 10t + sec2 t, r(-?) = 2
A. r = 10t2 + tan t + 2 - 10?2 B. r = 5t2 + tan t + 2 - 5?2 C. r = 5t2 + cot t + 2 - 5?2 D. r = 10 + tan t - 8
Mathematics
Reduce to lowest terms.
A. 
B. 
C. 
D. 
Mathematics
Answer the question.If f(x) = x2 + 3x + 3 and g(x) = 9x - 3, find (f ? g)(x).
A. 9x3 + 24x2 + 3x - 3 B. 9x3 - 24x2 - 18x - 9 C. 9x3 + 24x2 + 18x - 9 D. 81x2 - 27x + 3
Mathematics