Besides using The proper formula what must you be cautious of when calculating the areas of geometric figures ? why?

16

step-by-step explanation:

2 x 40 = 80

80/5

= 16

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!