Verify the properties x+(y+z)=x. y+x. z of rational numbers by taking a..x=-1/2, y=3/4, z=1/4

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

Can someone tell me if this is perpendicular? !

Consider circle o, where and . m∠bpd °. °.