Answer
2(-10z+1) or 20z+2
Step-by-step explanation:
if you are factoring the expression then its 2(-10z+1)
if you are simplifying the expression then its 20z+2
Answer:
I don't know, I'm so sorry but can you respond at my question?
My answer is that you can multiply many different ways to git the answers and it is really easy for you if you round your factors that you are multiply.
Answer:
X=-3 y=5
Step-by-step explanation:
Answer:
314 mi^2 (3 s.f.)
Step-by-step explanation:

diameter of sphere= 10mi
radius of sphere= 10÷2= 5mi
Surface area of sphere= 4(pi)(5^2)= 100pi= 314mi^2 (3 s.f.)