20 degrees-> acute since less than 90
27 degrees-> acute since less than 90
133 degrees-> obtuse since more than 90
They would have to split apart the group with 6 blueberries. Each friend would get three blueberries from this group.
we can use formula

where
fL is listener frequency
fs is siren frequency
va is the speed of sound in air
vs is police car speed
so, we have



now, we can change it into m/s


now, we can plug it

..............Answer
Answer:
divide the cost of the dog food by three and thats ur answer
Step-by-step explanation:
Answer:
Step-by-step explanation:
