Answer:
4, because x= 4 is the maximum value taken by x.
Step-by-step explanation:
Answer:
This can be expanded to x⁴ - 6x²
Step-by-step explanation:

Answer:

Step-by-step explanation:
we have the ratio

To write as percent, multiply the ratio by 100
so

She done better at the 2nd test because she only got 4 wrong but on the first test she got 6 wrong.