A=A₀

A/A₀=24%=0.24
0.24=

0.000121t=ln(0.24)
t=ln(0.24)/0.000121
=-11794.35
so painting is 11794 years old
Area of a triangle = 1/2 x base x height
Length of base = 15-5 = 10cm
Length of height = 15-5 = 10cm
1/2 x 10 x 10 = 50
So the area is 50cm^2
Let me know if you have any questions
Line three is the correct answer
Answer:
The independent variable is the variable being controlled in the problem, and the dependent variable is the variable that changes because of this control.
Step-by-step explanation:
The answer or average is 15