Evaluate the radical.
3216
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The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)