Find the first four terms of the sequence given a1=−9 and an+1=an+n. Please help asap

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

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]