The average rate is 5 mps because 80 seconds times 5 equals 400 meters
The plus sign means that we have to sum all the terms inside of the second parenthesis, while the minus sign means that we have to change all the signs inside the last parenthesis:

Now we only have to gather all like terms:

Answer:
0.7 is a decimal and 70/100 or 70% is the percentage for 35/50.
Step-by-step explanation:
Hope this helps!
Answer:
(-1,4)
Step-by-step explanation:
Reflection Rule for over the y axis: A(x,y) A'(-x,y)
Hope this helps!