Find an example, by finding values for a and b, to show that √a^2+b^2 ≠ a+b equation

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%