Answer:
I don't know what you need
Step-by-step explanation:
decrease = 9%
percent decrease =
× 100%
decrease = $98 - $89 = $9
percent decrease =
× 100% = 9% (to nearest whole percent )
I think the parent function is
y=x
Answer: Choice D

Reason:
Whenever we have two lines cross to form an X shape, the vertical angles are always opposite one another. They do not have to be vertically stacked (as they can be side by side like angles 2 and 4 are). Vertical angles are always congruent.
20%
source= 8/10 is 80% so you take the remaining 20% which is the percent of increase