I need help with my math part 2. whoever gets it done gets brainliest and 60 points

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

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%

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]