Find an explicit formula for an.3, 5, 7, 9, 11, . . .
A. an = n + 4
B. an = 2n + 2
C. an = 2n + 1
D. an = n + 5
Answer: C
Mathematics
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Solve the equation.18(x - 72) = 36
A. 72 B. 36 C. 70 D. 74
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Identify the unknown amount as the portion, rate, or base.What percent of 90 is 2?
A. base B. portion C. rate
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Solve the problem.An irrigation sprinkler in a field of lettuce sprays water over a distance of 35 feet as it rotates through an angle of 160°. What area of the field receives water? If necessary, round the answer to two decimal places.
A. 544.44 ft2 B. 48.87 ft2 C. 1710.42 ft2 D. 3420.85 ft2
Mathematics
Divide.
A. 0.95 B. 9 C. 10.5 D. 9.5
Mathematics