Find the area of a diameter of 200 ft. what is the radius?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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?

What are the sotions to the quadratic equation 9x^2=4