Last weekend, the number of visitors at a zoo was z. This weekend, the number of visitors at the zoo can be represented by the given expression. 1.13z Which set of statements is true?

What is the simplified expression for 6(2(y+x))

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9