Lithium i think!!
hope this helps
66 mph
Explanation:
Average speed is the rate of change of distance with time:
Average speed = 
Given parameters:
Starting point = 88mile marker
End of journey = 121mile marker
time = 30minutes = 0.5hr(60min = 1hr)
Solution:
The distance covered in this journey:
Distance = End of journey - starting point = 121 mile - 88 mile = 33mile
Average speed = 
= 66mph
The average speed of Sara's mum is 66mph
Learn more:
Average speed brainly.com/question/8893949
#learnwithBrainly
Answer:
To survive Global life expectancy is the highest it's ever been, with a global average lifespan of about 71.4 years as of 2015.
Explanation: took the test
Answer:
not a question but i need points yolo
Explanation: