Simplify.
A. 
B. 
C. 7x + 3
D. 
Answer: A
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Use the information below to determine the indicated set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}A ? B'
A. {1, 3, 5, 7, 8, 9, 10, 11, 12} B. {1, 3, 5, 12} C. {7, 9, 11, 12} D. {7, 9, 11}
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 5)(
- 1)
A. 5
- 
B. 
- 5
C. 5
+ 
D. 0
Factor the four-term polynomial by grouping.8x2 - 6xy - 20xy + 15y2
A. (2x - 5y)(4x - 3y) B. (8x - 5y)(x - 3y) C. (2x + 5y)(4x - 3y) D. (2x - 5)(4x - 3)
Find Pk+1 from the given statement Pk.Pk: (7 + k)(7 - k) = 49 - k2
A. Pk+1: (8 + k)(8 - k) = 49 - (k + 1)2 B. Pk+1: (8 + k)(8 - k) = 50 - (k + 1)2 C. Pk+1: (8 + k)(6 - k) = 49 - (k + 1)2 D. Pk+1: (8 + k)(6 - k) = 50 - k2