Help please I need the answer ASAP

4+6x-3x^3 in standard form with explanations because i don’t understand

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path