Kelvin has a shelf that is 9/2 feet long to display books. If displaying each book requires 3/4 feet, what is the maximum number of books Kelvin can display on the shelf?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.