Astudent thinks the sum of 4.3 and 8.4 is 12.7 because 4+8 is 12 and 3+4 is 7. the student then adds 3.7 and 2.6, then gets 5.13 because 3+2 is 5 and 6+7 is 13. identify the mistake in the student's procedure and explain why the procedure won't always work.

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Use circumcenter theorem to solve for the given values