Answer:
4z + 5
Step-by-step explanation:
16 and 20 are both dividable by 4, so you divide them both by four and then you have your answer
1/3b-1/3
factor out 1/3
1/3(b-1)
hope this helps
Answer:
it's B
Step-by-step explanation:
just solve them and they match
Answer:
x<-2
Step-by-step explanation:
Divide both sides of the inequality by 5 to solve for x.
9514 1404 393
Answer:
0.28 -0.95i
Step-by-step explanation:
Multiply numerator and denominator by the conjugate of the denominator.

_____
<em>Additional comment</em>
If the original number is A∠β, the ratio is 1∠(2β), the square of the unit vector in the same direction as the original.