The area of a rectangle is 60 square inches. the length of the rectangle is 7 inches longer than the width. which equation models the situation?
a. w+7=60
b. 7w=60
c. w(w+7)=60
d. w+7w=60

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

Can someone me with the property questions for 12 13 and 14 plz

I’m stuck on this equation, anyone got the answer?