Answer:
Option D is correct.
Step-by-step explanation:
We have been given 
We need to tell which one of them will give the perfect square trinomial.
Trinomial is the polynomial with three terms.
If we factorize it by middle term splitting we get:
is the perfect square trinomial.
Therefore, option D is correct
Answer:
x = 93
Step-by-step explanation:
The measure of a straight line is 180°. So,
x + 87 = 180
Subtract 87 from both sides.
x = 93
I hope this helps! Feel free to ask any questions!
Answer:
3
Step-by-step explanation:
Answer:
Try to look up formula charts online.
Step-by-step explanation:
Answer:
2+2x=y
Step-by-step explanation:
We start our equation with 2 since that is how much she aldredy knit then we do X*2 or 2x =y then we put the 2 so 2+2x=y
