Answer:

they're all like terms so we just add and subtract
I agree because parentheses always go first and 4+5 equals 9 so in conclusion ralph is correct and the answer would be 30
Answer: The value of X is unknown
Step-by-step explanation: X doesn’t do anything with points ABCD on a rectangle, unless there is a picture. Where is the picture if there is suppose to be one?
Answer:
It is D
Step-by-step explanation:
To move a point 2 units to the right (or to the right in any graph) we add a negative value to the x-value.