Question

I want 3,4,5 answer plz help me ​

Answer 1

Answer:

Step-by-step explanation:

ans 3 . 3*1/8 = 25/8 = 3.125

ans . 4 we know that a^2-b^2= (a+b) (a-b)

so this can be written as 4^2-root 3^2

16-3

=13