A company produces pretzel rods with lengths that are normally distributed with a mean of 26.5 cm and a standard deviation of 1.8 cm. Find P47, which is the length separating the shortest 47% pretzels from the longest 53%.
P47 =
cm

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.

Which shows one way to determine the facts of x3+4x2+5x+20 by grouping

The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.