Solve the problem.If sin ? = 
, find csc ?.
A. 
B. - 
C. 8
D. undefined
Answer: C
Mathematics
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Find projv u.v = i + j + k, u = 4i + 12j + 3k
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
Mathematics
Solve the problem.The spring of a spring balance is 6.0 in. long when there is no weight on the balance, and it is 8.3 in. long with 9.0 lb hung from the balance. How much work is done in stretching it from 6.0 in. to a length of 12.2 in.?
A. 4.9 in.-lb B. 75 in.-lb C. 220 in.-lb D. 12 in.-lb
Mathematics
Find the composition. If f(x) = 
and g(x) = 8x + 4, find (g ? f)(x).
A. x + 8
B. x - 
C. 8x + 28
D. x
Mathematics
Find the component form of the specified vector.Let u = 
. Find 7u.
A. 
B. 
C. 
D. 
Mathematics