Jamal left home and was driving to his brother's house in Charlotte at an average speed of 51 miles per hour. One hour later, his sister left from the same house and traveled at an average of 68 miles per hour to catch up with him. She traveled by the same roads as Jamal. How long did it take her to catch up?

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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pls mark as brainliest

the number 100 represents the number of trials in the experiment.

49/100 represents the experimental probability of the coin landing heads up.

step-by-step explanation: