How to find the inverse laplace transform on ti-89?

Which expression is equivalent to 5r6141 2r+st6

Which expression gives you the distance between the points (5,1)and(9,-6)

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]