Round 13.45 to the nearest whole number

In the rectangle below ac=30 units what is de

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

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.