5/10 = 1/2
8/18 = 4/9
1/2 > 4/9
They're not proportional.
Answer:$4.36
Step-by-step explanation:
5(0.8)= 4
4(1.09) = $4.36
Slope intercept form
y = mx + b
-2x + 5y = 10
5y = 2x + 10
Divide by 5
y = 2/5x + 2
The symbol ₁₂P₉ represents the permutations of 9 quantities out of 12.
By definition,

From the calculator,
12! = 479,001,600
3! = 6
Therefore
₁₂P₉ = 479001600/6 = 79,833,600
Answer: 79,833,600
Answer:
9.6
Step-by-step explanation: