Paulina is itemizing deductions on her federal income tax return and she had $4600 in medical expenses last year. If her AGI was $42,000 and if medical expenses are deductible to the extent 7.5% of a taxpayers AGI how much can paulina deduct for medical expenses

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

Round each decimal to the nearest thousandth. a. 5.39562 b. 0.12345 c. 5634 d. 18.93763

Find the value of the variable and the length of each chord for #5 and #6.