Answer:
x = 
Step-by-step explanation:
Given
+
= 1
Multiply through by ab to clear the fractions
bx + ax = ab ← factor out x from each term on the left side
x(b + a) = ab ← divide both sides by (b + a)
x = 
Answer: 7740
Step-by-step explanation: take 180(n-45) and n represents the sides
Answer:
-6 + 4 = -2
Step-by-step explanation:
I know.
I think that the answer that is highlighted in blue is correct. I am not sure for this one. But, “both the table and graph are proportional” seems correct.
Answer:
The price before increase = 1255.5
Step-by-step explanation:
7% of 1350 = 
= 94.5
The price before increase = 1350 - 94.5
The price before increase = 1255.5