Answer:
Choice B and Choise C.
Step-by-step explanation:
Equivalent expressions are those expressions that have the same value but they look different.
Given the following expression provided in the exercise:

You need to remember the multiplication of signs in order to find the equivalent expressions:

Then:
- Eliminating the parentheses, you get this equivalent expression:

- Since the mulplication of two negative signs gives yous a positive sign, you can rewrite the original expression in this form:

This is an equivalent expression to 
Answer:
The mode of a data set is the number that occurs most frequently in the set. To easily find the mode, put the numbers in order from least to greatest and count how many times each number occurs. The number that occurs the most is the mode!
Step-by-step explanation:
internet.