3
is being formed randomly from the employees at a school: 4

teachers, and 5
5 staff. What is the probability that all 3

members are staff? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%