Use technology or a z-score table to answer the question. The weights of books in a bookcase are normally distributed with a mean of 11.6 pounds and a standard deviation of 1.3 pounds. There are 136 books on the bookshelf. How many of the books will weigh 10 pounds or more?

A. 109
B. 116
C. 121
D. 130

Which of the following are parts of a sphere

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.