Answer:
Hello!!
For question twelve,
is an identity.
For question thirteen,
has no solution.
Hope this helps!!
The bigger number is 15 and the smaller number 7. 15 is 8 more than 7. The sum of 15 and 7 is 22.
Answer:
A set of symbols that expresses a mathematical rule or principle; for example, the formula for the area of a rectangle is a = lw, where a is the area, l the length, and w the width. The American Heritage® Student Science Dictionary, Second Edition.
Step-by-step explanation:
Answer:
20/48
Step-by-step explanation:
Answer:
Option (a) is correct.
The system of equation becomes

Step-by-step explanation:
Given : Equation 
We have to construct a system of equations that can be used to find the roots of the equation 
Consider the given equation 
To construct a system of equation put both sides of the given equation equal to a same variable.
Let the variable be "y", Then the equation 
becomes,
Thus, The system of equation becomes

Option (a) is correct.