Answer the question belo

21

Step-by-step explanation:

Jenny's final elevation = 3 + 6 × 3

                                     = 3 + 18

                                     = 21

the first dot plot best represents the data

plzplzplzplz mark brainliest and have a good day

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,