Answer:
according to my calculations
Step-by-step explanation:
cheese
Answer:
(z) + (z) + (z-1) + (z-1) = 4z-2
Step-by-step explanation:
Perimeter is the sum of all the sides
Answer:
1-2y+y^2
Step-by-step explanation:
(1–y)^2
(1-y) * (1-y)
FOIL
first: 1*1 =1
outer: 1*-y = -y
inner: -y *1 = -y
last: -y*-y = y^2
Add together: 1+-y-y+y^2
1-2y+y^2
What I am not sure what you are asking for me to answer