What free apps are good for learning spanish?

Patrick bought 7.5 pounds of frozen shrimp. the shrimp is sold in 1.5 pound packages. how many packages of shrimp did patrick buy?

According to the naeyc, curriculum is defined as

Do the certificate in a summer course give credits? if so, how many credits? and also, could you tell me which are the summer course and schools you know that give credits?