YA i lost my brain... so can sum1 help me? pls

Which graph represents the equation y =4x

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct