A random sample of 10 subjects have weights with a standard deviation of 10.8417 kg. What is the variance of their weights? Be sure to include the appropriate units with the result. What is the variance of the sample data? (round to four decimal places as needed)

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

Solve the triangle. a = 21°, c = 105°, c = 5

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.