What is the solution to the following system of equations?
y = x2 + 10x + 11
y = x2 + x − 7

Solve for x and select the correct answer

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample