. A science class starts an experiment with 3 plants that are each 2.5 cm tall. They
provide all of the needs of the plant and
track their growth. Plant A was 23.5 cm
tall after two weeks. What was the
average rate of change in inches per
day of Plant A?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.