GPS: Guided Problem Solving Interlibrary loany of reference books have increased to 1 9/10 15 years ago. If a library loaned 100 books 15 years ago, how many would it loan today?
o. What is 1 written as a decimal?
o. How do you write a decimal as a percent?

George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

How to do this , and can some one explain

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry