Answer:
4a^2+4ab+b^2
Step-by-step explanation:
To find the square we multiply the expression with itself
(2a+b)×(2a+b) = 4a^2+4ab+b^2
Slope=-1.8, X=-0.5, y=1.9
Equation is y^2-y^1=m(x^2-x^1).
Y-1.9=-1.8(X-(-0.5))
Y-1.9=-1.8x+0.90
Add 1.9 on both sides.
Y= -1.8x+1.
I hope this helps you.
Answer:
I think it should be D because the arrow points down and the space between the two points is 7 units
<em>Hope this helps!</em>
Answer:
C3H8 + 5O2 → 3MgO + 2NH3
Zn + 2HCl → ZnCl2 + H2
Ca(OH)2 + 2H3PO4 → Ca3(PO4)2 + 6H2O
4Al + 3O2 → 2Al2O3
Step-by-step explanation:
I have the exact same question and I got the answers correct.