The height of a rocket launched with an initial velocity of v feet per second is represented by the equation d = 3 + vt – 16t2, where t is the number of seconds after launch. With what initial velocity must the rocket be launched to reach a height of 255 feet in 3.5 seconds?

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