What postulate or theorem proves this?

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

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x