Answer:
D
Step-by-step explanation:
" the sum " means add
(c + d) - 3 <== ur expression
Answer:
i don't undertsand this question
Answer:
x>=0
Step-by-step explanation:
From the equation, we can see that x must be greater or equal to 0. This is true because every answer to an absolute value is positive or equal to 0. That is your answer.