Which elementary row operation will reduce the x–element in row 2 to 0 in this matrix? [1 1 1 | 12
2 1 0 | 14
2 0 3 | 19]
A. 2R1 + R2 B. 2R3 – R2 C. -2R1 + R2 D. R1 + R2

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

Which number completes the inequality? 2/3 < _ < 7/9

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?