I am doing my homework and am completely stumped on this one... help please? Describe the symmetry of the figure. Identify lines of symmetry, if any. Find the angle and the order of any rotational symmetry.

On monday, the temperature was 6 degrees cooler than it had been on sunday, on tuesday the temperature rose 4 degrees from monday. wednesday's temperature was cooler than tuesday's, but not as cool as it was on monday. which answer choice shows a reasonable answer for the difference in temperature on wednesday, as compared to the temperature on sunday? a) -10 degrees b) -7 degrees c) -4 degrees d) -2 degrees