John's utility bills for the last five months are $22.32, $24.18, $19.31, $25.86, and $25.94. Find John's mean utility bill over this period.

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?