PLZ ANSWER I WILL MARK BRAINLISTToni practices the piano 6 days a week. The table shows the total number of hours she practiced one week.
Complete each statement.
Days
Practice Time (h)
Over 2 days, Toni practiced
2
1
hour per day
4.
3
6
5
5

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

Asphere has a diameter of 10 in. what is the volume of the sphere?

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.