Solve the problem.A spreadsheet contains 525 entries in a rectangular array which has 25 rows. How many entries are in each row?

A. 500 entries
B. 31 entries
C. 21 entries
D. 13,125 entries


Answer: C

Mathematics

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Find the first four terms of the binomial series for the given function.(1 - 8x2)-1/2

A. 1 + 4x2 + 24x4 + 160x6 B. 1 + 4x2 + 48x4 + 576x6 C. 1 + 4x2 + 24x4 + 288x6 D. 1 + 4x2 + 48x4 + 320x6

Mathematics

Find the nth, or general, term for the geometric sequence.-1, 1, -1, 1, ...

A. an = (-1)n B. an = -1n C. an = (-1)n-1 D. an = -1n-1

Mathematics

Translate the expression into the language of algebra. Use the variable x to represent the number.3 more than seven times a number

A. 3x + 7 B. 7 + 3 + x C. 3 - x + 7 D. 7x + 3

Mathematics

Find the perimeter (or circumference) and area of the figure.

A. perimeter = 28 mi area = 33 sq mi B. perimeter = 28 mi area = 66 sq mi C. perimeter = 14 mi area = 66 sq mi D. perimeter = 16 mi area = 33 sq mi

Mathematics