If you have 47 bts armys and you have one hater

7x+8y=-18, 4x-9y=-3 solve the system of equations

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$