Which operations can be applied to a matrix in the process of gauss-jordan elimination? replacing a row with twice that row replacing a row with the sum of that row and another row replacing a row with three times another row swapping rows replacing a row with the absolute values of that row

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.