Please answer ASAP. Thank You.

Step-by-step explanation:

So we have the inequality:

This means that our solution is all numbers less than or equal to -4. Therefore, in interval notation, this is:

This represents all the numbers from negative infinity up until -4. This is equivalent to the inequality.

(-∞, -4]

Step-by-step explanation:

This means all values less than -4 and including -4

It goes from -∞  up to and includes -4

Parentheses for -∞  brackets for -4 since we include it

(-∞, -4]

the correct answer to your question is a. 4^4

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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,