Find the sum and then classify it.5/6+√91

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

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

What are the domain and range of f(x)= -log5(x+2)