Volume of a circle equation?

calculate the volume of liquid in the round flask sketched below. give your answer in liters, and round to the nearest .

the diameter of the flask is 22.0 cm

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

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