What is the answer, Item 23
Which system of inequalities represents the graph?

⎧⎩⎨⎪⎪x>−2y≥x−2y<15x+3

⎧⎩⎨⎪⎪x>−2y≤x−2y<15x+3

⎧⎩⎨⎪⎪y>−2y≤x−2y<15x+3

⎧⎩⎨⎪⎪y>−2y≥x−2y<15x+3
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Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Find an equation of the line that has intercepts (1,0) and (0,4).