Aproton moves in an electric field such that its acceleration a is a=-20(1+2t)^-2, where t is the time in seconds. find the velocity as a function of time if v sub zero =30 when t=0

Which of the following lines is not parallel to the graph of y = 4x +7?

What are the values of each variable in the diagram below?

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