A student must study for 20 to 30 hours a week to maintain their grade point average. If the student wants to study daily, how many hours per day is this (in interval notation)?
0 (20,30)
[20/7,30/7]
[13,23]
[27,37]

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

You love to play soccer! you make a shot at the net 8 times during a game! of those 8 attempts, you score twice. what percent of the time did you score?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?