Question:
The area of a rectangular computer chip is 112a^3b^2 square microns. Write a simplified expression that represents the length, if the width is 8ab
Answer:

Step-by-step explanation:
Given


Required
Determine the height
Area is calculated as:

Make Length the subject



Apply law of indices


Answer:
rip just search em up and its kinda blurry sorry
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
hello :
a + b = 9
...(*)
a - b = 6...(**)
add (*) and (**) : 2a =15.....(1)
subsct (**) and (*) : 2b=3 ....(2)
now divid (1) , (2) : 2a/2b = 15/3
means : a/b = 15/3 =5