Which of the following would be a line of reflection that would map ABCD onto itself? A. y = 1
B. 2x + y = 2
C. x + y = 4
D. x + y = 1

Please provide a step-by-step :)

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?