Solve.Two internet service providers have different payment plans. Company A charges $15 per month plus 3 cents per minute with 40 free minutes per month. Company B has no monthly fee but charge 7 cents per minute. Find the number of minutes per month for which the charges for the two companies are the same.
A. 138 minutes
B. 345 minutes
C. 276 minutes
D. 135 minutes
Answer: B
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Solve the problem.A political poll has a built in error tolerance. A candidate receiving 41% support, according to the poll, could actually have 43% support and the poll would still be considered accurate. The error tolerance for the candidate with 41% support is 3%. An acceptable percentage p for the candidate must satisfy the inequality 
? 3. Solve the inequality and interpret the result.
A. {p
};Actual support for the candidate could vary between -3% and 3%.
B. {p
}; Actual support for the candidate will not vary because you cannot have negative percentages.
C. {p
}; Actual support for the candidate could vary between 41% and 44%.
D. {p
}; Actual support for the candidate could vary between 
and 44%.
Find the indicated derivative.Find y(4) if y = 5 sin x.
A. y(4) = - 5 sin x B. y(4) = 5 cos x C. y(4) = - 5 cos x D. y(4) = 5 sin x
Find all integer factors of the given number.125
A. -125, -62, -5, 5, 62, 125 B. -125, -25, -5, 5, 25, 125 C. -125, -25, -5, -1, 1, 5, 25, 125 D. -25, -5, -1, 1, 5, 25
Find the reciprocal of the number.7
A. 
B. 
C. 1
D. 7