My answer the question what is the surface area of a triangular prism is 126 yards2
The series formed by using exponential property we get : 
What is Exponential Property?
- Properties of Exponents : It is also called power or degree.
- It tells us how many times the base will be multiplied by itself.
- The properties of exponents or laws of exponents are wont to solve problems involving exponents.
- These properties also are considered as major exponents rules to be followed while solving exponents.
Using exponential property on given values we get,

Complete series using exponent property is:
Learn more about exponential property here:
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5x + 3 = 38
5x = 38 + 3
5x = 35
x = 35/5
x = 7
<h2>
Answer:</h2>
Option: C is the correct answer.
C. 5
<h2>
Step-by-step explanation:</h2>
We will solve the following problem with the help of the Venn diagram.
Based on the Venn diagram we are asked to find the value of v i.e. those who have parakeet only.
From the information that:
x+y+10=35
i.e.
x+y=25
Also, based on the information :
u+z+10=28
i.e.
u+z=18
Also, 42 had neither a cat nor a dog nor a parakeet.
This means it cover the outer region of the three circles.
Total 100 families were surveyed it means that:
42+x+y+10+u+z+v=100
i.e. 42+25+10+18+v=100
i.e. 95+v=100
i.e. v=100-95
i.e. v=5
Hence, the number of families who have only parakeet are: 5
10000 because a number smaller than its is 9999 (4 digits)