The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length?
12 inches
15 inches
21 inches
40 inches

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.