Name the property used to go from step to step indicated by an a), b), c), or d).
What will be an ideal response?
Mathematics
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Add or subtract. Simplify all answers. Express as a mixed number.13
+ 9
A. 13
B. 21
C. 22
D. 23
Mathematics
Write the first four terms of the sequence whose general term is given.an = 
A. 2, - 1, 
, 
B. 2, 1, 
, 
C. -2, - 1, 
, 
D. -2, 1, 
, 
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 + 3xy - 28y2
A. (x - 7y)(x + y) B. (x + 7y)(x - 4y) C. (x - y)(x + 4y) D. (x - 7y)(x + 4y)
Mathematics
Use the given substitution to solve the equation.x4 - 9x2 + 8 = 0, u = x2
A. 1, 2
B. ±1, ±2
C. 8, 9
D. ±1, ±2
Mathematics