37 is your answer.
If u substitute in -4 for x, you will get -4^2 -3(-4) + 9.
-4^2 equals 16.
-3(-4) equals 12
16 + 12 = 28
28 + 9 = 37
You are right click it lol!
Answer: 20%
Step-by-step explanation: 68 + 272 = 340 68/340= 0.2 0.2 * 100= 20%

is the equation
Basically, you are multiplying 1.8 and 8.4 by itself ten times but here is a tip:
When multiplying by ten, move the decimal once to the right
So

and

That leaves

which is
Answer: 102