the function f(x) is to be graphed on a coordinate plane. f(x) = at what point should an open circle be drawn?

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x