During his first week as a salesman, Barney sold 33 products. He challenged himself to sell 3 more prod-
ucts each successive week than he had sold the week be-
fore. If Barney meets, but does not surpass his goal, how
many products does he sell during his 15 week?

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The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

What function has a range {yly< 5}? question on picture above^