Dan has 200 baseball cards. 61 of them are retired players and 50 of them are of pitchers. Dan has 35 cards of retired pitchers. What is the probability that the player on one of his cards is retired or a pitchers?

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)

Is there an x intercept in the equation 60*1.15^x

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120