1.)An operation * is defined on the set R, of real numbers by m*n= -n÷m²+1
where m, n are real numbers. If -3, -10 are real numbers, show
whether or not * is commutative.

b) Given that x*y=2x-y, where x
and y are real numbers, find the value of
i) 5* (4*5)
ii) y if y*(3*)=6.​

What was the difference between bombing military targets in the united kingdom, and bombing the city of london? a. bombing a city kills lots of innocent civilians, bombing a military target doesn't b. bombing military targets didn't force the u. k. to surrender, but bombing london did c. military targets were bombed by japan, while london was bombed by the nazis d. london was bombed before the u. s. entered the war; military targets were bombed afterward

Brainliestttme : ) what are trading blocs and what is the impact of international cooperation?

Which of the following scenarios best shows the relationship between personal and civic responsibility? tara stays home on friday night to babysit her sister instead of going to a movie with her friends. theo asks neighbors to sign a petition asking the city council to lower the speed limit in their neighborhood to make it safer for children. natalie watches a presidential debate with her parents in order to complete a homework assignment for school. nick’s scout troop adopts a section of highway in their community to keep free from litter.