F(x)=2x1 + 16x2 + 7x3 + 4x4 -> min

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

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error