Is "ab" an angle? If so, can you try to repost the picture because I cannot see anything so it's hard to try and help you.
Answer:
-2 + 4i
Step-by-step explanation:
1) remove unnecessary parentheses:
2 + 3i + (-4 + i)
2) calculate difference:
-4 + 2 = -2
-2 + 3i + i
3) collect like terms:
For our answer: -2 + 4i
There ya go, hope I helped good luck!
Answer:
82 square feet.
Step-by-step explanation:
You count the amount of 1ft x 1ft squares in the diagram and multiply that number by itself.
I think the lowest common multiple of 12, 40, and 45, 40, and 12 would be 360
Well I’m not sure but I can solve the answer though -7-(-11)= 4 that’s all I know