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Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

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

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices