The mass, m
, of a lorry is 6.58 tonnes rounded to 2 decimal places.
Write the error interval for
m in the form a ≤ m ≤ b

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !