Answer:
12
Step-by-step explanation:
I did the work on deltamath
Answer:
Please see attached image
Step-by-step explanation:
We can work on the products of binomials using distributive property to multiply every term of the first binomial by every term of the second one. Finally combine like terms to get the trinomial that results:
1) 
2) 
3) 
4) 
Answer:
40 60 40 60 40 60 40 60 40
1. 2. 3. 4. 5. 6. 7. 8. 9.
so the answer is 9 hours
Answer:

Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
- percent
- percentage words problem
- PEMDAS
<h3>given:</h3>
- population:2500
- decreasing rate:3%
<h3>to find:</h3>
- the population after 11 years
<h3>let's solve:</h3>
according to the question
population decreases in 1 year

population will decrease in 11 years
so the population of the town after 11 years will be
2500-825
<h2>1675</h2>
Answer:
84
Step-by-step explanation:
We can set up a proportion using fractions.

Now, let's cross multiply by multiplying 12 and 28 then dividing by 4.

Hope this helped!