50 points help Which number is a common factor of 24 and 136?

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 is the product? a-3/15a × 5/a-3

Which of the following is the correct solution to the linear inequality shown below? y< 1/2x-4