What's is the value of x

1.50(x+6)=27

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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? $$