Erik has two books in his bookbag. One book weighs 2 3/4 pounds. The other book weighs 1 11/16 pounds. What is the combined weigh of the the two books? A. 3 7/10

B. 3 7/8

C. 4 5/16

D. 4 7/16

Step-by-step explanation:

2 3/4 + 1 11/16 = ?

   11/4 + 27/16 = ?

44/16 + 27/16 = 71/16 = 64/16 + 7/16

2 3/4 + 1 11/16 = 4 7/16   (D)

25

step-by-step explanation:

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.