Three babies A, B and C cry out at interval time. Baby A cries out at every 20 mins, while B cries out at every 30 mins and C cries out at every 40 mins. if they are observed at the same time, after what time will the three of them cry together? A. after 20 minutes
B. after 30 minutes
C. after 40 minutes
D. after 120 minutes

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

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.