3) What is the number of possible outcomes if two marbles are picked out of a bag that contains three red marbles and three blue marbles? (Note: Order does not matter.] A) 2
B) 3
C) 4
D) 6

B)3

Step-by-step explanation:

I had this question on a test

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,