Which of the expressions are equivalent to the one below? check all that apply. 4 (8 + 3)
a.(8 + 3) 4
b.(4 8) + 3
c.4 8 + 4 3
d.4 (3 + 8)
can anyone explain how they did this to ?

What point is the projection of q on a) r b) s c) t

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

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?