The distance a spring will stretch varies directly with how much weight is attached to the spring. if a spring stretches 11 inches with 75 pounds attached, how far will it stretch with 65 pounds attached? round to the nearest tenth of an inch.
a. 10.9
b. 9.5
c. 11.2
d. 12.7

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x