Answer:
b
Step-by-step explanation:
Ronald originally had 160 dollars.
123.45 + 36.55 = 160. That means that he had 160 dollars.
Answer:

Step-by-step explanation:
distance between two points:

we have:
(-4, -6), (3, -7)




so we have:

Answer: 45%
Step-by-step explanation:
Converting the word problem into words, we have:
18= x/100*40
Solving for it, we get that x=45.