If the side of a square is increased by 8cm, the area increases by 64cm^{2}. What is the side of the square?

1.3

1.5

1

2

Correct Answer : C

If a ration shop is to be set up within 3 km of each city, how many ratio shops will be required?

The distance between the points (-4, 5) and (-4, -15) is

The distance between the points (-7, 5) and (-7, -20) is