Answer:
gravitational potential energy
Step-by-step explanation:
cuz its being lifted
Answer:
answer is 64x68
Step-by-step explanation:
Gosh, when I saw that my mind went blank
Answer:
Market economy
Step-by-step explanation:
Once again this is because they are changing their prices and items for sale because of the changes in market.
Answer:
20
Step-by-step explanation:
10- 10, <u>20</u>, 30, 40 ,50
4- 4, 8, 12, 16, <u>20</u>