The following are the last 10 run scores Colin got in cricket: 22, 35, 33, 18, 16, 12, 28, 18, 1, 16
a) Work out Colin's mean score.
b) Colin plays cricket again on Sunday. He gets 10 runs.
What is his new mean score?
Give your answers as decimals.
PLEASE HELP
PS. from hegarty maths

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

How can constraints be used to model a real-world situation?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)