WHO IS THIS.Ty its for math hw for sum reason

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?

What is a correct first step in solving the inequality-4(3-5x)> -6x+9

The random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.