Write these expressions as simply as possible
1). 9 - 3k +5k=
2). k* + 2k+ 4k =
by the way * means k squared i think so yh

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

With: label the vertices and all the elements needed. find x

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other