The average electric bill in a residential area $72 for the month of April the standard deviation of six dollars if the amount of the electric bills are normally distributed find the probability that the mean of the bill for 15 residence will be less than 75

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60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.

the answer is  

a.

4,624π mm2

step-by-step explanation:

vertical asymptote .

horizontal asymptote .

step-by-step explanation:

given function is .

vertical asymptote is given by setting

denominator =0

when degree of numerator and denominator are same then divide first term of numerator by first term of denominator to get horizontal asymptote.