Answer:
30
Step-by-step explanation:
45-15
Answer:
I think number 2 is the answer, but 4 could be the answer.
Answer:
B
Step-by-step explanation:
a rectangle that is not a square
I assume you mean 3*3*3*5*5 it would be 3^3 times 5^2. thats as simplified as i can make it. hope this helps! if anyone knows a better way to put these please post.
Answer:
y = x^2+2x+1
Step-by-step explanation:
x^2+2x+1
= (x+1)^2