Which of the following conic sections has only one line of symmetry? a.) circle b.) ellipse c.) hyperbola d.) parabola

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180