Answer:
the answer is D. 8x - 2x²
Step-by-step explanation:
Answer: S x 1.25 = A
Step-by-step explanation:
Where S is the number of students and A is your final price. If each book cost 1.25, then she will have to pay 1.25 for every kid.
Well, this is a broad question but I would say pie. Pie is used very early on in secondary school and therefore a lot of people already know about it and how to use it. But for example if your a banker E would be more important as banks use e to calculate interest.
Hope this helps, have a great day.
The correct answer is y=-2
I hope this helps :)