The time it takes to complete a test is
normally distributed with a mean of 45
minutes and a standard deviation of 12
minutes. If Nick took an hour and 8 minutes
to complete the test, find his z-score to the
nearest hundredth of a second.
I

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Simplify the expression. -2/5(10+15m-20n)

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.