The original expression is equal to 0 because anything multiplied by 0 is equal to 0. Solve inside the brackets for the possible answer choices to find what will equal 0.
Start with the first expression. Add 4 and negative 4 will become 0, and -1 times 0 is equal to 0. Let's solve for the others just to be sure.
In the second expression, solving inside the brackets gives you 8. -1 times 8 is equal to -8.
Adding 4 and negative 4 in the third expression leaves you with 0. But, 1 + 0 is equal to 1.
Adding negative 4 and negative 4 gives you the answer of -8, and -1 times -8 is equal to 8.
Your answer is the first expression, or A.
<span>If the slope of the ppf is same between any two points, it implies that the opportunity costs did not change and they were constant. So the constant slope implies that production possibilities frontier appears to be a straight line with the opportunity costs being constant.</span>
Answer: Hm 1 second
Step-by-step explanation: 1 sec
Answer: 34
Step-by-step explanation:
(3x + 10) = (x + 52)
3x - x = 52 - 10
2x = 42
x = 21
--
= x + 52 + 3x + 10
= 4x + 62
= 84 + 62
= 126
--
y = 180 - 126
= 34
<em>I hope this helped! :)</em>
Answer:
Step-by-step explanation:
Part 1 is B and part 2 is A
