Question

plz help me guys


i need answer for all questions​

Answer 1

Explanation:

use this formula for 7th question

2ab/a+b

a be 40

b be 60

according to this formula

2*40*60/40+60

4800/100

48 km

Answer 2

Here friend here is your answer

________________________________________

8) When the object moves in the straight line in fixed direction displacement = distance

9) It represents the distributive property

________________________________________

Hope it helps you...............!!