Answer:
1. Equivalent
2. Not equivalent
Step-by-step explanation:
1. Equivalent because there's 4 x's that you add all together and that makes 4x
2. Not equivalent because 5x means there's 5 x's or x + x + x + x + x not only 1 x plus a number 5
Answer:
63/100
Step-by-step explanation:
Im Pretty sure this the correct answer
For this case we must find

By definition we have to:

We have the following functions:

Now, applying the given definition, we have:

Answer:

Answer: it will take 7 seconds
Step-by-step explanation: 9 x 7 = 63