Pleaae help! Its past due!! ​

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6