We have been given that Sam uses an industrial kitchen to bake several batches of his famous chocolate chip bars.
Further, we are given that Sam needs to weight out 78 ounces, plus or minus 2.5 ounces.
Therefore, the equation that can be used to find maximum or minimum amount, c, of chocolate chips that he can weight out is:

Perimeter would be affected by the same scale factor, in this case 2. perimeter only has 1 dimension.
Answer: increas by a factor of 2
Answer:
I would choose B but I'm not sure.
Step-by-step explanation:
Answer: x= -21
Step-by-step explanation:
-4x=86-2
calculate
-4x=84
divide both sides
x=-21
Answer:
A
Step-by-step explanation:
To convert mixed number as improper fractions, use this rule:

<u>For Juan:</u> (
)

<u>For Antonio:</u> (
)

Answer choice A is correct.