Kim needs to place 32 mystery books and 56 biography books on library shelves. she is to place the maximum number of books on each shelf so that all the shelves have the same number of books. each shelf will contain only one type of book. (questions are in the picture, sorry for spelling mistakes)

Part A : the number of books to place o each shelf is 8 Part B :Kim would use 11 shelves  

Step-by-step explanation:

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

the correct answer is c