Which of the following methods can be used to construct a pattern of 10 numbers for which it would be mathematically impossible to predict the 11th term?
check all that apply.

a. make a pattern from winning lottery tickets.
b. make a pattern, starting with 2, where each number is the next digit of e(2.
c. make a pattern where each number is the square of the number before it, plus 7 times the cube of the number before that.
d. make a pattern by counting the number of letters in each word of lincoln's gettysburg address, starting with the first word.
e. make a pattern by asking each of 10 friends what their favorite number is.