The sophomore class at south high school raised $800 from the sale of tickets for the dance. tickets sold for $1.50 in advance, and $2.00 at the door. if a total of 475 tickets where sold, the number of tickets sold at the door is [ ]?
no work needed.

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Which of the following is an example of conditional probability