Estimate a 20% tip for $31.15
$4.65

$3.10

$6.20

$12.40

  best answer for the question.1.     divide  7/24  by  35/48  and reduce the quotient to the lowest fraction. 

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?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9