Answer:
it is a,d,f
Explanation:
A a sum of 7 can be 2+5 because 2 is 3 less than 5
D a sum that is greater than 9 be 4+7 because 4 is 3 less than 7 and adds up to 11
F a sum that is greater than 2 but less than 5 because she can get 1 then 4 which gets 5