The difference of two times a number and five is eight more than the number

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

What expression is equivalent to (2x-1)(x-3)?

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !