There are 165 students in the after-school program. if 10 children will be assigned to each instructor, how many instructors need to be hired? (use bar model for this one)

What is the length of bc ? enter your answer in the box.bc =

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 ?

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12