Answer:
first one is right
Step-by-step explanation:
Answer:
p=\frac{9}{7}
Step-by-step explanation:

Let's check the answer:
I think your answer would be d. The number one rule of absolute value is no negatives, and the opposite of -179 is 179.
Let's callx = number of dimes.y = number of nickels.We must make a system of two equations with two incgonitas to solve the problem and find the solution, knowing that we have 50 coins and that between both they add $ 4.50.The result is x = 40, y = 10.I attach the solution to the problem.