W equals -15.4 because u had to bring down the eqaution

okk thanks for letting us know

Step-by-step explanation:

:

78.59 is the mean

step-by-step explanation:

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!