Answer: 20
Step-by-step explanation:
x+y=5
x-y=4
---------
x+y=5
x=4+y
--------
(4+y)+y=5
4+y+y=5
4+2y=5
2y=1
y=0.5
x=4.5
---------
x²-y²=(4.5)²-(0.5)²=20.25-0.25=20
Answer:
You're correct.
Step-by-step explanation:
Answer:
poop
Step-by-step explanation:
Answer:
The answer is $16.45
Step-by-step explanation:First, you have to multiply $0.95 x 9 = $8.55
Then, you have to subtract $25.00-$8.55 = $16.45
Please mark this brainliest and I will be glad to help anytime