The sum of the series 20c0 - 20c1 + 20c2 - 20c3++20c10 is :

How do the graphs of y = 1/x and y=5/x+6 compare?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me