Find the area of a triangle and semi circle where the diameter is 18 and the height is 14 using 3.14

What is the simplified expression for 6(2(y+x))

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.