let event a = the place is a city.
let event b = the place is in north america
what is p a and b)?

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)