For Jivesh’s Model A rocket, he uses the equation h = -490t^2 + 1120t^2. when is the height of the Model A rocket 640 centimeters? This isn’t college this is highschool my bad

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Select the two pairs of figures that are similar.

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000