The sum of the digits of a two-digit number is 12. the difference of the digits is 2 find the number if the units digit is larger than the 10 digits

The number: 57

Step-by-step explanation:

ab

a+b = 12  (1)

b-a = 2    (2)

(1) + (2)    2b = 14

b = 7

a = 5

The number: 57

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!