$5.9091 $229.74289 $15.99999 to the nearest cent

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 ?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq