A quiche is cut into slices as shown below. If each slice is exactly the same size and shape as the one shown, what is the circumference of the whole quiche? Round to the nearest whole number.

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 correct

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone