The vertex of this parabola is at (2,-4). when the x-value is 3, the y-value is -1. whatis the coefficient of the squared expression in the parabolas equation. A. 5
B. -2
C. 1
D. 3
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In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

For how answer my question this will be the last question can you answer in math subject

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол