Divide 2 × 10^2 / 5× 10^-8

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)