PLZ HELP 10 POINTS

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

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