Answer:
A
Step-by-step explanation:
X before Y
Answer:
D
Step-by-step explanation:
The answer to this problem should be the 4th one.
All real numbers can't be right as 0 obviously wont work. However, it is important to remember that sqrt of a number cant be negative, so x must either be greater than or equal to -1 and 1
220-220r=160
Solve for r to get the discount rate
r=0.2727
r=0.2727×100
r=27.27%
Check
220−220×0.2727
=160
The answer is 80 because 80 divided by 10 = 8
Letter c
-4-9=-13
What is saying u start at -4 See the arrow point go left on number line 9 spaces so your subtracting to give you-13