A. calculate the values of mean return and variance for the stock fund. when calculating the variance, use percents, not decimals. for example, if a return is 10%, use the value 10 in your variance calculations, not 0.10. (do not round intermediate calculations. round "mean return" value to 1 decimal place and "variance" to 2 decimal places.)

the answer is 175.4379

step-by-step explanation:

1st part is 64,000,000

2nd part 500,000

step-by-step explanation:

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)

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step-by-step explanation: