Complex numbers (adding, subtracting, multiplying) a. z= −1 + 8i + 4 −6i − 7i
b. z= (5 - 6i) − (−2 − 5i)
c. z= (2 + 5i)(−5 + i)

d 192

step-by-step explanation:

we find our area to find area we multiply thoses numbers to get our answer so our area is 192

answer: list the statements and i will follow up!

step-by-step explanation:

60.9774

step-by-step explanation:

because when you add 47.6 plus 7.32 equals 54.92

and when you add .0574 + 6= 6.0574

and when you add 54.92 and 6.0574 you get the answer of 60.9774.

plzz mark brainlest last one got deleted. cause i didn't explain it but i did but i understand what the mod meant