Answer 20 are left
Step-by-step explanation:
Answer:
7 students
Step-by-step explanation:
1+2+4=7students
Answer:
Step-by-step explanation:
Given
Required
Determine the solution
Since b is a perfect square, the equation can be expressed as:
Apply difference of two squares:
Split:
Remove brackets:
Make a the subject in both equations
The solution can be represented as:
Answer:
-4600
Step-by-step explanation: