What is the area of the cross section that is parallel to side PQRS in this rectangular box? A. 12 square units B. 16 square units C. 30 square units D. 40 square units

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 for x and y: 217x + 131y = 913; 131x + 217y = 827

2x minus y equals 6, x plus y equals negative 3