HELP QUICKLY!! Tell whether the sequence is arithmetic. If it is, what is the common difference?
-19.-11, -3,5,...
Oyes; 5
Oyes; 6
Oyes; 8
Ono

the answer to this sequence is that: u count the difference between 19 and 11 , which is 8.

again try to see if the difference is same between 11 and 3, which is again 8.

so the commin difference in this sequence is = 8

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,