Add or subtract. Simplify your answer to lowest terms. +  - 

A.  
B.
C.  
D.  


Answer: A

Mathematics

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Find projv u.v = k, u = 6i + 9j + 2k

A. i + j + k
B. i + j + k
C. 2k
D. k

Mathematics

Provide an appropriate response.Subtract: 9 lb 2 oz - 6 lb 5 oz

A. 2 lb 13 oz B. 3 lb 13 oz C. 2 lb 7 oz D. 3 lb 7 oz E. none of the above

Mathematics

Find the number of terms in the sequence or the sum of the sequence as requested.Find the number of terms in the following arithmetic sequence.  1, 3, 5, 7, . . ., 51

A. 51 B. 28 C. 25 D. 26

Mathematics

Add and simplify. + 

A.
B.
C.
D.

Mathematics