Solve. Give your answer as a mixed numeral.Derek spent 3
hours studying for his math exam and another 1
hours doing his math homework. How long did he spend on math in total?
A. 4
hr
B. 5
hr
C. 5
hr
D. 4
hr
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%.
Divide numerator and denominator by the highest power of x in the denominator to find the limit.
A. 
B. 
C. 
D. does not exist
Establish the identity.sec2 
= 
What will be an ideal response?
Find the exact area of the circle in terms of ?.
A. 484? in.2 B. 121? in.2 C. 1774.67? in.2 D. 30.25? in.2