Please help -2/5 + 4/5 on a numberline

it will be 2/5

then it should be between 0 and 1

make 5 parts b/w 0 and 1 then the 2 nd one is 2/5.

I think so this is the ans.

1/4 and 8/3 because:

the reciprocal if 4 is 1/4 because 4 is used as 4/1 and the opposite of that is 1/4. the opposite of 3/8 is 8/3 so that is the answer.

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!