Ray paid $812 to rent music equipment that cost $28 per hour. how many hours did he have the equipment?

What scale factor was applied to the first rectangle to get the resulting image interior answer as a decimal in the box

Pls! does anybody know a shortcut for answering these types of questions in the future?

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.