PLEASE HELP
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Randy left town on his bicycle, traveling
at an average of 16 miles per hour. Four
hours later, his older brother, Jimmy, went
looking for Randy on his motorcycle. Jimmy
traveled at an average of 48 miles per hour.
How long would it take Jimmy to catch up
to Randy?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?