(15 POINTS) (SHOW WORK) FIND THE RADIUS OF THE CIRCLE

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia

Tan198=asin164=? how to solve this? ?