The answer is 7 R14
That the answer
Area = lxb
=(5x - 4) x (2x - 5)
=10x*2 - 25x - 8x + 20
=10x*2 -33x +20
so b is correct option and give me brainliest
Answer: 80% of the air is made up of other gases.
Step-by-step explanation:
1/5 = 2/10. There are 8/10 left over which is 80%. Hope this helps!
-1
substitute x = -3, so you get 2(-3) + 5 = -`
Mark brainliest please