PLEASE HELP Given triangle ABC,∠A=61°, ∠C=52°, a=15, and c=19. Find the value of side length b, correct to two decimal places.

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

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?

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .