What is an equivalent expression using a property of equality for x/3 + 7 = 13

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

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?