M, or slope, is needed to define if a set of lines are parallel or not.
I don't know the meaning of 'square' in your question.but i think you had better make it more clear .
<span>Treat the surface of the water as 0. The initial height of the weight was 4 ft above the surface of the water, therefore making it have an initial height of +4. If it travels 12 ft downward to hit the bottom of the pool, that means its height decreased by 12, so its falling is -12. To calculate the depth of the pool, use initial height minus drop distance, so 4 - 12. The depth of the pool is 8 ft.</span>
Answer:
An economic signal is described as <u>any piece of data or information which allows people to optimize their decision-making process</u> and make comparatively better decisions economically.
Step-by-step explanation:
hope it helps
mark me brainliest pls
