The menu of a Chinese restaurant lists six vegetable dishes, seven seafood dishes and six noodle dishes. A group of
customers eating together decides to order three vegetable
dishes, four seafood dishes and three noodle dishes. What is
the number of selections that the customers can make?
A 18,240
B 12,200
C 15,200
D 14.000

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?