Cy has 42 basesball cards and 70 football cards that he wants to group into packages. each package will have the same number of cards, and each package will have the same number of baseball cards and football cards. how many packages will cy make if he uses all his cards? the choices are a.7 b.10 c.14 or d.21

Which math sentence can be used to determine if the triangle is a right triangle?

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 position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)