Respuesta :

Answer:

Step-by-step explanation:

The difference of 10 and u (by which you probably meant "the difference between 10 and u") is 10 - u

10.  The sum of 18 and a number (n) is 18 + n.

11.  The product of 33 and j is 33j.

12.  74 increases by 3 times y is 74+3y.

13.  15 decreased by twice a number is 15 - 2n.

14.  91 more than the square of a number (n) is n^2 + 91.

15.  three fourths of the square of b would be (3/4)b^2.

16.  two fifths the cube of a number is (2/5)n^3.