Answer:
B. Distributive property
Step-by-step explanation:
The distributive property says
You are given the expression
Denote
then your expression is
Here, you can see that distributive property was used.
Now, change c into the 
again
to get the distributive property for the initial expression
B and C i think double check just in case
0.88 dollars in the answer, I hope this helps for number 6, 3.13 is the answer for 7
Answer:
15
Step-by-step explanation:
Since we know x = 2 and z = 3x, let's find z by substituting the value for x into z:
z = 3(2) = 6
Now that we have the values of both x and z, we can substitute them into the expression and simplify:
x + 4z - 5 - 3x
= 2 + 4(6) - 5 - 3(2)
= 2 + 24 - 5 - 6
= 15
