Answer:
(x + y)² =16
Step-by-step explanation:
hello :
(x + y)² = x²+y²+2xy and : x²+y² = 6 xy = 5
(x + y)² = 6+2(5)
(x + y)² =16
Answer:
x = -2
Step-by-step explanation:
Please mark Brainliest when able, for showing work.
Answer:
9-63x
Step-by-step explanation:
9(1-7x)
9-63x
The difference between 90% and 72% is 18%