The expression 5c + 7m gives the number of passengers who can ride in case cars and more minivans. what are the coefficient in this express

Combine like terms7y^2 + 7(6y^2 − 8)

Do i get charged for my membership before or after the 6 months

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.