If x-5=2 then find the value of 6x-20

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons