Determine the greatest common factor of 6x^2y^3; 12x^3y^2; 21xy^4

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

Find the area of the regular hexagon if a side is 20 cm.

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76