1) -5-4i
2) 5+4i
3) -4+5i
hope this helps pls mark me branliest!!<3
For this case we must find the solution of the following expression:

If we isolate a term and we equate to zero, we have:

Subtracting 7 on both sides of the equation we have:

Thus, the solution of the expression is given by:

ANswer:

This is how it is done. Let me know if you have questions...
If this an angle on a straight line the answer is k=73°
The digit 7 is in the tens place so 74 will become either 70 or 80 after rounding off to the nearest ten. Draw a number line with 3 numbers on it: 70, 75 and 80. (Both possible rounded off numbers and the number in the middle.