What is equivalent to 4x-10x+20

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 this equation using substitution. {4x + y = −2} {4x + 6y = 44}

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation