X²-7x +15=0 slove the quadratic equation

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?

Assemble the proof by dragging tiles to the statements and reasons column

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?