John worked 43 hours last week; his hourly rate is $9.00. He has the following deductions, taken from his pay: Social Security tax at the rate of 6.2%, Medicare tax at
the rate of 1.45%, health insurance premiums of $15.00 and 401(k) contributions of 5%
of gross pay. John also has federal income tax withheld at the rate of 10%. Federal taxes
do not apply to the 401(k) contribution.
Second, how much is John's total deductions?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

If f(x)=3 over x+2 - square root x-3 then f(7)=

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95