Trig with picture easy

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2