Line ab is tangent to circle o at a if ao= 21 and bc= 14 what is ab

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?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?