Help please

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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.

Which statement best explains why ben uses the width hi to create the arc at j from point k