Need some help on this question please

How do i solve using pythagorean theorem?

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu