What's 6 multiplied by 6 add 10 subtract 7

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

In the diagram, gef and hef are congruent. what is the value of x