What is 17.445 - 6.76 rounded to the nearest tenth

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !