Answer
1. A equals the square of s.
A = s^2
2. the product of a and b is 15.
a + b = 15
3. the difference of x and y. divided by 2
x - y / 2
4. two times n. diminished by c
2n - c
5. the sum of the squares of x and y
( x + y) ^2
6. the square of the sum of a and b
( a + b ) ^2
7. the sum of the squares of a and 10
( a + 10^2
8. the difference when 12 is subtracted from b
b - 12
9. 6 less than x
6 - x
10. the product of a. b. and c
a x b x c or abc
11. c increased by 8
c + 8
12. thrice of a
3a
13. the sum of a.b. and c
a + b + c
14. the quotient of c and 8
c / 8
15. the sum of a and 1. divided by b
a + 1 / b
Hope it helps
