This is a compass and straightedge construction. Which line is the angle bisector? (geometry)

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

The table above shows approximate conversions from gallons to liters. what is the value of x?

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