A 12 inch candle burns down in 12 hours. at what rate does the candle burns, in inches per hour?

1 inch per hour because it took 12 hours to burn a 12 inch candle so 1 inch per hour

the sum of the lengths of any two sides of a triangle is greater than the length of the third side. if you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. if that is not true, then it is not possible to construct a triangle with the given side lengths.

step-by-step explanation:

the first one, all those points on the line just make a strait line.