Calculate the variance for the following data: C. I. : 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80

Frequency : 5 8 7 12 28 20 10 10​

Which table represents a linear function? i'll give brainliest to first answer ^'^

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

You so much whoever answers with accuracy •the parent function of the graph of f(x) is the square root function, which was reflected across the x-axis. which of the following is the equation of f(x)?