Investing in bonds! pls

1.) ralph wishes to protect his investment from inflation. he buys a zero coupon bond. why is this investment a bad choice for ralph?

2.) allison buys a greek treasury bond. the greek government announces that it is defaulting on its debt. what options does allison have to recover her money?

3.) why are municipal bonds less attractive to foreign bondholders?

4.) why does building a ladder of bonds protect against changes in interest rates?

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

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

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units