Mr. Kent interviewed 54 students as they left the school. Is this a random sample? Explain. I will give Brainliest :)

How many zeros does the function f(x)=4x3-x2+1 have

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

4+(2+x) can you me solve this problem