Write the summation to estimate the area under the curve from x = 2 to x = 5 using 3 rectangles and right endpoints

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

One positive number is 9 more than twice another. if their product is 95, find the numbers

Me. i can't figure out this question. give an explanation too. .