Every month, $80 is withdrawn from tom's savings to withdrawn no more than $240. For how many months can tom pay for his gym membership? Tom can pay for (here are the choices)

•less than
•more than
•no less than
•no more than

Tom can pay for (the choice above) months of his membership.

This is a one-step inequality btw
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One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

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

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?