an elevator in a tall building starts at a floor of the building that is 90 meters above the ground the ground. the elevator descends 2 meters every 0.5 second for 6 seconds. (use and inequality for the domain and range of the function that models this situation.)

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

The image of the point (-6, -2)under a translation is (−7,0). find the coordinates of the image of the point (7,0) under the same translation.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5