Given:

To rewrite using distributive property, distribute the 28 to all values inside the parenthesis.
Thus, we have:

ANSWER:

28y - 4
Answer: B
Step-by-step explanation:
A is incorrect because going from -10 to 10 is not 0, it is 20.
C is incorrect because 21 km from sea level is adding 21.
D is incorrect because the total distance biking to school and back is actually 6.2.
B is correct because buying an item for the same price then selling it for the same price results in no increase in profit but consistency therefore being 0.
Answer:
substitude (2x+4) for y in the second equation
Answer:
-9
Step-by-step explanation:
The in the first expression, y is to the -9'th degree, which means n is -9.
(If there are numbers of similar term multiplied together, the exponents are to be added.)