Set up the ratio for cos(A)

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Which of the symbols correctly relates the two numbers below check all that apply 6? 6