Answer:
The answer I would choose is c
Hope this helped :)
Answer:

Step-by-step explanation:
Given : Expression 
To find : Combine like terms to create an equivalent expression ?
Solution :
Step 1 - Write the expression,

Step 2 - Apply distributive property, 


Step 3 - Combine like terms,




Therefore, 
Answer:
A)310.18g/mol
B)84.9947g/mol
C)108.01 g/mol
d)159.7g /mole(Approx)
e)Coc12 g/mol
f) A1(OH)3 g/mol
g)83.9949 g/mol
h)197.9 g/mol
i)18.01529 g/mol
Step-by-step explanation:
Hope u happy with my answer...
please mark me as brainlest
16. It is the only even number in the group. I know this because:
25/2 = 12.5
16/2 = 8
49/2 = 24.5
63/2 = 31.5
81/2 = 40.5
:) Hope I helped
Answer:
x = 2 is the axis of symmetry
Step-by-step explanation:
y - 4x = 7 – x2?
y = -x²+4x +7
y = - ((x²- 4x+4)-4)+7
y = - (x-2)²+11 ..... is the the parabola's equation when : x = 2 is the axis of symmetry