The following are the last 10 run scores Colin got in cricket:
5, 18, 11, 18, 28, 28, 27, 13, 17, 22
a) Work out Colin's mean score.
b) Colin plays cricket again on Sunday. He gets 11 runs.
What is his new mean score?
Give your answers as decimals.

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Which two undefined geometric terms always describe figures with no beginning or end?