Answer:
16
Step-by-step explanation:
b^2
Let b= -4
(-4)^2
Answer: 21
the answer is going to be 450. all you have to do is add 375+20%
Answer:The answer is : Expand the square
4(x+1)the second square - 49
4(x+1)x+1)-49
The solution is : 4x second square + 8x - 45
