Figure B is a scaled copy of figure A what is the scale factor from Figure A to Figure B

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Does the point (1, sqrt 7) lie on circle shown.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.