Answer:
B
Step-by-step explanation:
(x-3)(x+6)
x²+6x-3x-18
x²+3x-18
Catalyst is a substance that speeds up the rate of any chemical reaction but they do not take part in the reaction.
<h3>What is a catalyst</h3>
Catalyst is a substance that speeds up the rate of any chemical reaction but they do not take part in the reaction.
Catalysis is the process of increasing the rate of a chemical reaction by the addition of a substance known as a catalyst.
Catalysts are known not to be consumed in the reaction and remain unchanged at the end of a reaction
Learn more on catalyst here: brainly.com/question/12507566
Answer:
B
Step-by-step explanation:
100% is unknown 100:20 is 5
8,000*5=40,00