Find the axis of symmetry and the vertex of the graph of f(x) = 3x - 12x +4.
SOS

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Anyone know? will mark brainliest if you're correct!

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