The given pattern continues. Write down the nth term of the sequence suggested by the pattern.1, 4, 7, 10, 13, ...
A. an = 1(3)n-1
B. an = 2n - 3
C. an = n + 3
D. an = 3n - 2
Answer: D
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Find the sum of the n terms of the indicated geometric sequence with the given values.160, -80, 40, . . . ; n = 6
A. 105
B. 
C. 110
D. 315
Current postal regulations state that no package may be sent if its combined length, width, and height exceed 70 in. What are the possible dimensions of a box to be mailed with equal height and width if the length is three times the height? ?
A. The height and width must each be 15 in. or less and the length 42 in. or less. B. The height and width must each be 15 in. or more and the length 42 in. or more. C. The height and width must each be 14 in. or less and the length 42 in. or less. D. The height and width must each be 14 in. or less and the length 56 in. or less. E. The height and width must each be 14 in. or more and the length 42 in. or more.
Prove that the identity is true.
?
What will be an ideal response?
Graph the inequality.x2 + y2 > 49
A. 
B. 
C. 
D. 