Robs number is equal to twice bobs number, cobs number is eight times larger than two less than bobs number, the sum of robs number and cobs number is 22, what are each of their numbers?

i believe it is c.y = 9x

rise over run. 9 units up over 1 unit right or 9/1

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!