What is a free electron? a An electron that only appears when the material is dissolved in an aqueous solution

b An electron that has removed itself from the atom it was attached to and can move to other atoms without restriction

c An electron that has it's minimum energy level maintained at all times

d An electron that has bonded itself to another atom, thus removing the requirement to meet the 8 or 0 rule of valence electrons

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra 2 math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this and anther one for days and if i get the 2 questions right i pass the class.

Free points + free ! if answered correctly which of these is not a good tip for passing? a. make sure you are on an area of road where it is legal and safe to pass. b. always drive at a safe speed at or below the speed limit. c. you may reduce your following distance below four seconds when passing. d. make sure there is a safe gap in traffic before you change lanes.

The double-blind procedure is most for a. random assignment b. the placebo effect c. operational definitions replication d. standard deviations