Answer:
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.