GPAs of freshman biology majors have approximately the normal distribution with mean 2.87 and standard deviation .34. In what range do the middle 90% of all freshman biology majors' GPAs lie?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Write a similarity statement for the similar triangles. afgh ~ a

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10