Peter has to use the following information to find the original number: "if you double a number and then add 36 you get 4/11 of the original number." write and solve an equation to find the original number.

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

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Solve the inequality and graph 6j - 7 < 5