PLEASE HURRY AND ANSWER I WILL MARK BRAINLIEST Which expressions are equivalent after simplifying? Check all that apply.

A) (3.1a – 2.7b) + (1.5a – 4.9b)
B) (2.3a + 0.2b) – 8b
C) (–3.5b + a) – (4.1b – 3.6a)
D) –0.4b + (8b + 4.6a)
E) 4.6a – 7.6b

idk

step-by-step explanation:

use that smart brain

c. (3,2,6) is the answer.

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!

69.64%

step-by-step explanation: