Since he started working in the animal control department, an officer has recorded the number of stray dots found each year in his district Year
2013 2014 2015 2016
Number of
Stray
Dogs
62
55
48
41
The rate of change of the number of stray dogs with respect to the year is
I
dogs
per year

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

I’m stuck on this equation, anyone got the answer?