An elevator is 180 feet above the first floor. Each second it descends 12 feet.
a. What integer is the change in the height of the elevator each second?
b. Copy and complete the table.
c. Estimate how many seconds it takes the
elevator to get to the first floor. Explain
your reasoning.
d. From the first floor, it takes 4 seconds to reach the basement floor. What
is the height of the basement floor with respect to the first floor?
Time 3 sec 6 sec 9 s

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.

This assignment is past the original due date o this data is from a sample. calculate the mean, standard deviation, and variance 16.7 11.1 46.7 14.8 13.3 16.6 18.5 47.3 42,8 show the following answers to 2 decimal places. sample mean- sample standard deviation ( use the standard deviation above for your calculation.) sample variance ooops- now you discover that the data was actually from a population! so now you must give the population standard deviation.