What is 222/21 as a mixed number?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.