What is the fraction of 12 feet of rope cut into 1/3 pieces?

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.