It’s D, when lines are perpendicular, the slopes of the lines are opposite reciprocals.
Answer:
answer would be the new area wil be 1/2 of the old area
Step-by-step explanation:
I'm pretty sure it's right hope this helps
Solution:
Given:

To determine if an ordered pair is a solution, we substitute the x and y-values into the inequality and check if it is true.
Thus,




Therefore, the correct answers are selected as shown below;
Answer is below..............
Answer:
9 boxes
Step-by-step explanation:

Since 1 ft= 12 inches then with diameter of 12 ft, radius becomes 6 ft and converted to inches it's 6*12=72 in

Area of 1 tile= 9*9=81
Number of tiles= 
Number of boxes= 202/25=8.08 boxes hence 9 boxes