Ineed to find the measurements of the angles 1,2,3,and 4

Simplify the expression 10/11(22z) + (a+5) -1

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

What’s 8y+48 and factor each expression completely