Answer:
18
Step-by-step explanation:
Each sandwich will be divided into 6 pieces. 1 sandwich equals 6 pieces, 2 sandwiches equals 12 pieces, so 3 sandwiches equals 18 pieces.
First move the 14x over to get 7y=-14x-9 then divide by 7 and you get y= -2x-9/7. the slope is the value next to the x in y=mx+b form so the slope is -2
Answer:
22
Step-by-step explanation:
We are given the expression:—

When n = 5, substitute/change n to 5:—

Evaluate:—

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<u>Summary</u>
<u>Substitution</u>
Changing or replacing from a term to another terms/expression is called substitution.
Examples:—
If we are given the expression
and we want to find the value when y = 4, simply replace y-term to 4.

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If you have any doubts regarding my answer/explanation, do not hesitate to ask in comment!
Answer:
The second one.
Step-by-step explanation:
Because adding x by anything is 0 since you dont have any other numbers.
Answer:
See attachment for answers
Step-by-step explanation: