When you subtract the same number from both sides of an inequality dose the inequality remain true ?

Good evening ,

Yes ,it remains true.

Step-by-step explanation:

e.g:

x + 12 ≤ 2021 ⇔ (x + 12) ≤ 2021 - 2 ⇔ x + 10 ≤ 2019

:)

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!