Is 172 the area or perimeter.
Answer:
9x=19 step by step solution has been attached to this answer
Answer:
the constant of proportionality is 5-D
Answer:
x² + y² = 85
Step-by-step explanation:
Using the expansion
(x - y)² = x² + y² - 2xy , then
x² + y² - 2xy = (x - y)² ( add 2xy to both sides )
x² + y² = (x - y)² + 2xy ← substitute given values
= 9² + 2(2)
= 81 + 4
= 85
C I'm pretty sure , it says I need more words so I'm just gonna keep typing