Ineed the answer for #14 a, b , and , c : )

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Which of the following is the true for f(x) = 5cos