If the sum of the first n terms of a linear sequence is 1-9n, Find the third term.​

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

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

How can you construct perpendicular lines and prove theorems about perpendicular lines