PLS HELP TIMED Which expressions are equivalent to 4(9+3)?

a
4(12)
b
36 + 3
c
36 + 12
d
4 + (9 + 3)
e
(9 + 3) + (9 + 3) + (9 + 3) + (9 + 3)

Which statement describes the term economics? a. it is the study of using limited resources to fulfill wants and needs. b. it is the study of how governments fulfill the wants and needs of nations. c. it is the study of how people spend their money to fulfill wants and needs.

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.