Find positive numbers x and y satisfying the equation xy=20 such that the sum 4x+y is as small as possible.

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

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