All the questions in this assignment refer to a circle with tangent lines at x = -8, x = 2, y = 7, and y = -3. What is the x coordinate of the center of the circle? *
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Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585