Find the indicated term.If a1 = 4, d = 4, find a28.

A. 112
B. -108
C. -104
D. 116


Answer: A

Mathematics

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Solve the problem.One method to determine the time since an animal died is to estimate the percentage of  remaining in its bones. The percent P in decimal form of  remaining after x years is given by  Approximate (to the nearest whole year) the age of a fossil if there is 68% of  remaining.

A. 3187 B. -15,842 C. 1384 D. -34,872

Mathematics

Solve.A plane is cruising at 816 kilometers per hour. Convert this to miles per hour. Round to the nearest whole number.

A. 506 mph B. 889 mph C. 530 mph D. 1,314 mph

Mathematics

Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a4 = 108; r = 3

A. an = 2916()n-1
B. an = 4(3)n
C. an = 4(3)n-1
D. an = 4 + (3)n-1

Mathematics

Indicate whether the statement is true or false. is an integer

A. True B. False

Mathematics