factorise 75^2 - 8 (4) - 25x^2 please include the steps you used, will give brainliest ! thanks in advance :)

One positive number is 9 more than twice another. if their product is 95, find the numbers

Ineed to know the answer to this algebra question.

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?