3 times the sum of 4 and 7

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.