The height of an object varies directly with the length of its shadow, a person who is 6 feet tall casts a 15-foot shadow, how long is the shadow of a 20-foot tree a- 8 feet b- 50 feet c- 10 feet d- 3feet, 6 inches

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers