Solve for x only type in numbers what are these called​

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

Add the fractions and simplify 1/2+ 1/3

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?