Can Someone please help me?

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?