in order to build a new dock at the lake place, you require fasteners like the one
shown. at stoich's hardware, you find that you are able to purchase bolts
in packages of three for 59¢, nuts in packages of 11 for 49¢ and washers in
packages of 23 for 49¢.
a. describe the construction of the desired fasteners using symbols
(as in a chemical equation) rather than words.

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

What is the number of atoms in 3.54 mol s