Ablue-faced oompah (homozygous) is married to an orange-faced oompah. they have 8 oompah children. how many of these children will have blue faces?

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Ineed here’s a picture of the question

Dylan is evaluation the expression 13+19+7+10 at one step in his work, dylan rewrites the equation as 13+7+19+10 which property of addition must dylan have used when he evaluated the expression?