Answer:
Yes
Step-by-step explanation:
x=-8 and y=-8 so yes in this equation y=x is true
yes
-8 is equal to -8
10 * 9 = 90
90/2 = 45
45 cm^2
A
all sides of square is 90degrees
Since AC and BD is the same, when you join the lines together, it will definitely be a square
15
The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30
The factors of 45 are: 1, 3, 5, 9, 15, 45
The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
Then the greatest common factor is 15.
5