Answer is in a photo. I can only upload it to a file hosting service. link below!
bit.
ly/3a8Nt8n
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:
Step-by-step explanation:
the position of the boat on the waters surface = 0 (zero)
Carmen and Jen's swimming depth. = -15
Answer:solo quiero puntos :(
Step-by-step explanation:
Answer:
in graph A the vertex is (0,0)
in graph B the vertex is (0,3)
in graph C the vertex is (0,-3)
And in graph D the vertex is (0,-1)
The axis of symmetry for all of the is 0
And i don't remember maximum and minimum sorry