When you add hot water to cold water the cold water warms up because of

Factor out the greatest common factor. minus − 14 14p3 plus + 10 10p2 plus + 4 4p

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.

How do you work out 21.3-8= show your working. plz