Answer:
hi:) you can use an app called photomath, you just take a picture of any math problem and it gives you the answer and shows all the work:) thats what I use.
29
Step-by-step explanation:
conjugate of a+ib=a-ib
conjugate of 2-5i=2+5i
(2+5i)(2-5i)=2²-(5i)²=4-25i²=4-25(-1)=4+25=29
the answer is -31/20
TRIANGLES
im gonna say 4 if im wrong its my fault
