Rewrite this expression using appropriate conventions.

(a+a+a+a) / 5

4a/5

Step-by-step explanation:

Solving further ;

Simplify

answer:

your answer is: c. 196 7/8 in^3.

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!