If adams high and jefferson high both lose 150 students each, madison high's population increases by 100 students, and both
lincoln high and grant high gain 50 students each, what happens to the mean of the population of washington county schools?
a)
the mean increases by 20.
b)
the mean remains the same
the mean decreases by 20.
the mean decreases by 100

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!

b

step-by-step explanation:

2x + 8

step-by-step explanation:

b. hannah is playing with her cousin at