A traveler exchanged 138 U. S. dollars for 100 Euros. Which of the following equations shows the equivalent for this exchange? A:1.38 = 19/50 = 0.38%
B:1.38 = 69/500 = 0.138%
C:1.38 = 69/5 = 0.138%
D:1.38 = 69/50 = 138%

What is the size of the matrix resulting from

What is the range? can’t seem to find it out

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)