20% of the number of people who attended a concert arrived late. If 60 people arrived late, find the number of people who attended the concert.

Which expression will have the same sum as 3_8 + 1/4?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

How can you construct perpendicular lines and prove theorems about perpendicular lines