Acar rental company charges a daily fee, plus an additional fee for each mile driven. susan rented a car for one day, drove 100 miles, and was charged $48.00. bob rented a car for one day, drove 224 miles, and was charged $72.80. how much does the company charge for a one-day rental and 172 miles driven?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

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.