Subtracting 5 from each score in a distribution with a mean of 40 and a standard deviation equal to 3 will result in a standard deviation equal to

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)