Rectangles ABCD and AXYD are similar. AB = 10m and AD = 2m work out the area of the rectangle AXYD

Iknow one of the answers is a and maybe b but not 100% sure about b

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?

Answers4.) -1/205.) -1/406.) -55/127.) -3/4