Diego, elena, and andre participated in a walk-a-thon to raise money for cancer research. They each walked at a constant rate, but their rates were different

0

step-by-step explanation:

you can not divide by 0 so 4 ÷ 0 would be 0

0 × 9999 =0

mark brainliest   : )

c

step-by-step explanation:

i hope this is what you were looking for.

see attached graph

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!