Asap i am timed no guessing youuu'
4)

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form

What is the square root of 45? (step by step working plz)

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?