Nora’s leaf collection consisted of 150 leaves in august. by december, her collection had grown to 177 leaves. by how much did her collection increase between august and december?

a. 9%

b. 12%

c. 15%

d. 18%

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,

typically if you want , you would actually put questions here for us to you. but hey, that's just me. maybe someone will magically answer the questions for you without knowing what they are.