Afirefighter in training leans a 21-foot extension ladder against an office building. how far from the building should the ladder be placed if the firefighter wants to reach a window that is 15 feet above the ground?

Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

What is mean median mode and range?