Answer:
4 + 5i
Step-by-step explanation:
To calculate this you have to combine the like terms until they cannot be combined any further:
7 + 10i + 4 - 10i - (7 - 5i)
11 + 0i - 7 - 5i
7 & 4 are liked terms so add them together + subtract 10i and 10i
4 + 5i <--- Final answer
Hope this helps!
GHI and JHK can be assumed to be on the same line/plane. The two angles add to be 180 degrees, meaning the line that connects them (I'm assuming GHK) is a straight line of 180 degrees.
But how many people? 30 goes into 6 times or any multiple of 6 could go in 6 rows
Answer:reflections I think
Step-by-step explanation: when you reflect a point across an axis, at least one of the coordinates’ sign will change