$30.50-$17.79 is $12.71. I hope that helps you :)
F(x)=5x-2
y=5x-2
y=5(3)-2
y=15-2
y=13
so the answer is B. 13
Name the first even integer you are looking for

. The next even number is

.
Their sum is

, so

. That means

, hence

.
So, the desired numbers are

and

.
Answer:
4000 ft
Step-by-step explanation:
There is 3280.84 foot in km.
So, that makes the 4000 ft the longest.