Find each sum or difference. round to the place value of the less precise measurement.

8.53 m – 1.8 m
a.
10.3 m
b.
7 m
c.
6.73 m
d.
6.7 m

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

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.

Tell whether the two rates form a proportion