Angle A= 30 and angle B=40 find angle C

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

There are 10 chicks on ginger's farm .she has 2 chicks in one outdoor pen and 5 chicks in another. the rest of the chicks are in the barn.what is the fraction of total chicks in outdoor pens?