Directions Multiply both sides of the equation by r.

Find Sn-rSn

Factor out Sn and a

Solve for Sn

Please show all the work and I will give brainiest

Triangle abc is reflected over the line y=x triangle abc has points (-6,-,-1) and (-5,-6) what is the c coordinate

Simply 8x squared + 5(7x squared- x) - 2x =

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?