There are 25 students' names in a hat You chose 5 names. Three are boys' names and two are girls' names. How many of the 25 names would you expect to be a boys' name.

Find the total area for the regular pyramid ( follow the answer set up in the picture)

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 ?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r