Answer:
Step-by-step explanation:
Using the rule of exponents
⇔ 
Evaluating from the inside parenthesis outwards
= - 
× - = 
, then
= 
= 9² = 81 , then
=
Answer:
(4, -2)
Step-by-step explanation:
To find the midpoint of two points you have to take the average of those two points. So, I can do (1+8)/2, which is 4, to find the midpoint of the x coordinates. I can then do (-9+5)/2, which is -2 to find the midpoint of the y coordinates.
Answer: I can answer 20
I think....the answer... Is......2 1/2
Normally when you're gathering sources it depends on what the topic is, what time or day, you try to find facts, and you see if there are any other useful information.
I'm not sure what you do with the whole numbers but 0.8 is 80% and 82% is higher than 80% so its not 0.8
