Anyone wanna me with b and d? ill mark as the brainiest just meee

B. 2(4x^3-49x+2x^3+7x^3+2)/2x+7

D.2x^4+21^3+35^2-37+46/2x+7

Step-by-step explanation:

I think this is right I'm not sure

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 answer is 844

step-by-step explanation:

it is 844 because if you add 836.50 + 7.5 you will get 844