Find anand a6 for the following arithmetic sequence.a16 = 75, a18 = 209
A. an = -930 - 67(n - 1), a6 = -4950
B. an = -930 + 67(n - 1), a6 = -595
C. an = -930 + 67(n - 1), a6 = -1332
D. an = -930 + 67(n - 1), a6 = -528
Answer: B
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Solve and check.
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= 
A. x = 12 B. x = 3 C. x = -12 D. x = 4
Subtract.(-6x7 - x4y3 + x3y4 + 4y7) - (12x7 + x4y3 - 4x2y5 + 7xy6 + 3y7)
A. -18x7 + x3y4 - 4x2y5 + 7xy6 + 7y7 B. -18x7 + x3y4 + 4x2y5 - 7xy6 - y7 C. -18x7 - 2x4y3 + x3y4 + 4x2y5 - 7xy6 + y7 D. -18x7 + 2x4y3 + x3y4 - 4x2y5 + 7xy6 - y7
Solve.The side of a square equals the length of a rectangle. The width of the rectangle is 4 meters longer than its length. The sum of the areas of the square and the rectangle is 160 square centimeters. Find the side of the square.
A. 2 cm B. 64 cm C. 10 cm D. 8 cm
Read the measurement shown on the U.S. micrometer.
__________ in.
Fill in the blank(s) with the appropriate word(s).