Which family of inst. Which expression has a value of 6? * 1 point
(6 ÷ 3) x 4 + 8
27 - 9 ÷ 3 x (4 + 1)
(18 + 12) x 6 - 4
71 - 5 x (9 + 4)
PLEASE HELP I'LL GIVE BRAINLIST!!!

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.