How many real roots does the equation (x^2+1)(x-2)=0 have?

A: 3
B: 1
C: 0
D: 2

To ? nd out how many students are unhappy with the dining hall food, you distribute a survey. which method of surveying would produce the least amount of bias in your data?

Benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?