Use Pythagorean theorem
A^2 + B^2 = C^2
12^2 + B^2 = 15^2
Solves for b
Answer:
So the number of ways of choosing two distinct letters at a time is (42)=6. We can then add the duplicate pairs which are O,O and N,N to give a total of 8 possible pairs.
sorry i dont have answered
Maybe she can get 2 or4 or1. those ar all the possible answers
Anna will pay $16.39 for all of the groceries :)
