The points plotted below are on the graph of a polynomial. Which of the following x-values is the best approximation of a root of the polynomial?
Check all that apply.

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Will gve pints stars and brainliest

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept