Answer:
100 centimeters
Step-by-step explanation:
Split the two figures and find each's area and then add it.
So the area of the triangle is 30 and the area of the rectangle is 70
70+30=100
Answer: 
Step-by-step explanation:
1. You have the following phrase given in the problem: 16 times as many books. You can conclude this is a multiplication word problem, because:
- Let's call
the number of books.
- "As many boooks" indicates multiplication.
- 16 times means that
should be multiplied by 16.
2. Then, you can conclude that the expression that best represent the phrase is:

Answer:
Step-by-step explanation:
he is going adding 3 to each number ex.
5+3=8
8+3=11
11+3=14
14+3=17
and so on
The coefficent is 5, since it’s placed before the variable.