Which expression is equivalent to a+(c+7)?
7ас
a-(c+7)
(c+7)-a
(a+c) +7

no solution

step-by-step explanation:

there is not enough information in the problem to solve.

so what is the problem what are they asking you to solve

step-by-step explanation:

so what is the problem what are they asking you to solve

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!