Find the mean of the data in the frequency table. Round your answer to the nearest
tenth.

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left