Need help with some math

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

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

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198