Which of the following has all the justifications Kelsey used to solve this equation? (9th grade Algerbra 1)

answer: i literally just answered this question but they want me to do it again

step-by-step explanation:

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation:

since no one answered yet i will give it a shot, not completely sure tho.

i think it should be y=cos(x+2pi), (third answer, answer c)

good luck.

it's possible to build a triangle with side lengths of 3, 3, and 9.- true ( b.)