A
(X-7)(x-4) -> x^2 -11x + 28
Multiply that by the 2 and you get the original equation!
Answer:

Step-by-step explanation:
Given



Required
Determine 
From laws of probability, we have:

Substitute in values


Hence,
<em> is calculated to be 0.557</em>
Answer:
1 3/5
Step-by-step explanation:
Change to mixed fractions, that'll give:
13/2 - 12/5 - 5/2
Using lcm:
16/10
Change back to mixed fractions:
1 6/10
Lowest term:
1 3/5
Answer:
1. 30 houses were analyzed
2. 24 houses
3. 21 houses
4. Bimodal skewed right? IDK sorry :(
5. 15 houses
6. The fourth interval (151-200)
Sorry if this is wrong... Hope it helps!
Step-by-step explanation: