Right Awnser only the last one was not right different Awnser

At the school fair, grade 3 raises 84 more then grade 4. grade 4 raises 112 more then grade 2. grade 3 raises 360. how many dollars does grade.2 have

Abcd is a parallelogram find the valuse of x

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?