Answer:
you are right it's D
Step-by-step explanation:
you are adding 5.7 to the original width (w) and then multiple you l and w after adding it to get your answer 77.9
Answer:
Option D. x = 4
Step-by-step explanation:
we have


we know that
The solution of the system
f(x)=g(x)
is the x-coordinate of the intersection point both graphs
using a graphing tool
The intersection point is (4,2)
see the attached figure
therefore
The solution is x=4
The answer to ur question is 15
It is arleady in scientific notation, you can write it like that : 3.92400x10^5 or 0.392400x10^6 or 0.392400K (for Kilo = 10^6)