Question 1: Brian wants to swim the length of the pond but he needs to determine this length. Consider the diagram and measurements below. Prove that ∆ABC~∆DEC.

Question 2: If Brian swims from point A to point B, how far will he swim?

If you are able to explain please do Thanks!

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required