[10 points] Forward elimination changes Ax = b to the system Rx = d. If the process of elim- ination subtracted 2 times row 1 from row 2 and then 4 times row 1 from row 3, what matrix connects R and d to the original A and b? (That is, find E such that R = EA and Eb = d).

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge