Which operation transformed matrix I to matrix II?

1

2

1

ม้า

1 2 1 5

0 1 2 5

2 7 8 25

ม้า

0 1 2

03

ม้า

o

R3+R1 R3

o

R3-1 R3

:O 3R2 R3

0 -2R1+R3-R3

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Which of the following circles have their centers in the third quadrant?