Q: This task is about translating a given English language sentence to French.
For math teachers majoring in math there's a measurable effect. But, overwhelmingly, it's your past performance.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Pour un professeur de maths diplômé en maths, l'effet est mesurable, mais c'est de loin la performance passée qui joue le plus.