X-c over 2 =d for x

X-c over 2 = d for c

Ac equals 35 cm long

The question is kind of confusing. if it's asking how many variations of answers can you give. then do 4^5 for your answer.this would be something like the first question could be a and the 2nd c or first b next c etc. if you can, ask the teacher for a better confirmation of what it's asking. if i'm assuming correctly what it's asking, it's 625 different variations.

J= r + 9 because since jessica rode 9 more miles than roger, you add 9 miles to rogers mileage.