Answer:
Step-by-step explanation:
(-6+12i)-(7-19i)=
-6+12i-7+19i=
-13+31i
(b)
Idk exactly what your question is asking, but I think you are doing genetics? If you are then you are talking about a punnet square. All four boxes should be heterozygous(Cc). Hope this helps.
Answer:
even number can be divided by two without areminder
(5, 90)
You can solve both equations for y and then set equal to each other. Then use the quadratic equation to solve for x