identify each concept given the following

1. 4x² variable:
2. 3y+7 variable:
3. 3y+7 Constant term:
4. 3y+7 numerical coefficient:
5. 8y² variable:
6. 8y² numerical coefficient:
7. 8y² exponent:
8. 2s numerical coefficient:
9. 8x³+4x-9 constant term:
10. 11x⁵ base:

need help plsss​