The nurses of a local hospital pledged of the following donations, in pesos, to the Philippine Red Cross. 50

100

75

80

40

60

50

20

25

30

42

Find the:

(b) Mean

In the geometric progression –3, 12, −48… what term is 3,072?

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?