Which chemical equation is balanced?
a. 2mg + o2 --> mgo
b. mg + o2 --> 2mgo
c. 2mg + o2 --> 2mgo
d. 2mg + 2o2 --> 2mgo

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?