Answer: what’s is the 5i
Step-by-step explanation:
I believe it is 3x+21 but i could be wrong :/ my explaination is -3 • -X would be +3x because it was distributed and -3 • -7 would be +21
Answer: y = 1
so 1! hopefully I helped!
Step-by-step explanation:
Maybe 400, but I’m not quite sure