Use distributive property to write an expression without parentheses using the numbers 7,5,6,3 to equal 75

Can you draw an isosceles triangle with only one 80 degree angle?

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

How do you solving the solution of each system using elimination?