Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.

A. 729
B. 621
C. 823.5
D. 594

Answer: B

Mathematics

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Solve and graph the inequality. Give answer in interval notation. -  ?  + 2

A.

B.

C.

D.

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Write the expression in radical notation. Evaluate by hand when possible.1691/2

A. 1692; 15
B. 1692; 28,561
C. ; 13
D. ; 26

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Assume the distribution is normal. Use the area of the normal curve to answer the question. Round to the nearest whole percent.The average size of the fish in a lake is 11.4 inches, with a standard deviation of 3.2 inches. Find the probability of catching a fish longer than 17 inches.

A. 96% B. 5% C. 8% D. 4%

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Classify each equation as linear or quadratic.-9 = (8x - 4)(x + 7)

A. Quadratic B. Linear

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