Write an equation in which the quadratic expression 4x^2-14x+42 equals 0
And show all work please, and don't ignore it if it shows its answered, it's prolly just some lowlife looking for points

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

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

Write the expression 7x^3-28xy^2 as the product of 3 factors