Finding the center and radius by completing the square
4x(sqrd)+4y(sqrd)+4x-16y-19=0

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Enter the missing numbers in the boxes to complete the table of equivalent ratios. time (min) distance (km)? 36 9? 1512 ?