12. a. write a survey question to find out the number of students in your class who plan to travel out of state after graduation. b. describe the sampling method you would use.

What is the reflection image of (5,-3) across the line y = -x?

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Is it greater than or less than7*3_9*2