Answer:
no
Step-by-step explanation:
this is because when dealing with the power, it involves multiplication
Answer: 20
x+y=5
x-y=4
---------
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
true
False. Supplementary angles have to add up to 180 degrees, and that is clearly not a flat line lol
hundredths place
