Order of operations what should be done first to evaluate 6+ (-5-7) ÷ 2 -8(3)

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

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

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.