<span>3n + 4 = 7
</span><span>3n = 7 - 4
3n = 3
n = 1</span>
(base area)*h
oibgrawjk gr/
Answer:

First tangent line:

Second tangent line:

Notice: slope of -1 means that both
are equal to -1, so 
2x + y = 10
5x - y = 18
7x = 28
x = 4
2(4) + y = 10
8 + y = 10
y = 2
(4,2)
It’s the second one because 0.5 is like 50% then 3/4 is like 75 and then the other is simply 80%