Find the truth value of the statement.7 - 3 = 4 if and only if 10 + 2 = 13.

A. True
B. False


Answer: B

Mathematics

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Solve the problem.The sum of 81 times a number and the reciprocal of the number is positive. Find the numbers which satisfy this condition.

A. any number between -  and 
B. any number greater than 
C. any number greater than 0
D. any number between 0 and 

Mathematics

Determine if the infinite geometric series converges or diverges. If the series converges, find its sum.

A. converges, 12 B. converges, 16 C. diverges D. converges, 4

Mathematics

Solve the problem.A box has dimensions 2" × 3" × 4". (See illustration.)  Determine the angle ? formed by the diagonal of the 2" × 3" side and the diagonal of the 3" × 4" side. Round your answer to the nearest degree.

A. 60° B. 62° C. 50° D. 65°

Mathematics

Multiply and simplify. ? 

A.
B.
C.
D.

Mathematics