Which column and row references are updated when you copy the formula: =sum($b5: d$15)? a. column b and row 5 b. column d and row 5 c. column d and row 15 d. column b and row 15
Which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus