Which formula can be used to find the nth term of the sequence 3, 21, 147, ... ?
A. a1 = 7; an = an-1•^3
B. a1 = t;an = an-1•^7
C. a1 = 3; an = an-1•^7
D. a1 = 3; an = An-1•^21

How many grams the dog will eat in 3 days?

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

Asandwich shop has 18 tables. each table seats up to 4 people. to find the greatest number of people that can be seated, you can solve p4 ≤ 18. which step is the best way to solve the inequality? plz asap i repeat plz