Which expression is equivalent to 1/6 (6x) + 12 a:3x b:x+2 c:x+12 d:1/6 x +12

Someone answer this check out the image!

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%