In the number $0.5495, express the nine as a fraction of a cent

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form