Dean wants to buy a light weight gold ring to give to his girlfriend. he has two options. the first ring has volume of 1.15 ml and density of 20.23 g/ml. The second ring has volume of 1.28 ml and density of 19.3 g/ml. which ring is lighter?

1. what are the missing reasons in the proof 2. it's in the second picture and 3

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

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%