PLEASE HELP: What are the solutions to the system of equations? {−x+y=4, y+12=x^2+x

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

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