Chelsea uses gold chain to make bracelets. she has three pieces of unused gold chain. the lengths of these pieces are : 11 5/8 inches, 9 3/4 inches, 10 1/2 inches . what is the average of the three pieces of chain?

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

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?