Please PLEASE help It takes 12 minutes for an object at 100 Celsius to cool to So Celsius in a room at 50 Celsius.
How much longer will it take for its temperature to decrease te 70 Celsius?
a) What is the value of k to the nearest hundred thousandths?
b) How much longer will it take for its temperature to decrease to 70 Celsius?
c) How long will it take in minute for its temperature to decrease from 100 C to
70 Celsius?

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney

h/o/e/s mad

step-by-step explanation:

si si si

graph b

step-by-step explanation:

one solution- graph a (clear intercepting point.)

no solution- graph b (they're parallel, there will never be a point of interception.)

infinite solutions- graph c (all points intercept.)