Can someone just explain how to do this for me?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

How do i find the missing angle measure in a polygon