Answer:
Step-by-step explanation:
Given
7.2, a, b, 3 are in A.P


as
a, b, 3 are also in A.P

Putting 










Now, plugging
in 




Therefore,
Answer:
conditions h, j, and k will form an integer
Step-by-step explanation:
any 2 integers added together will form an integer, it doesn't matter if the integers are odd or even
f and g can't be always true, since we don't know if the other number is has decimals
Option 2.)
(Please correct me if I'm wrong)
Answer:
8640 square inches
Step-by-step explanation:
There are 12 inches in one foot so there would be 12 * 12 = 144 square inches in 1 square foot. Therefore, there are 144 * 60 = 8640 square inches in 60 square feet.