Answer:
x = 30
Step-by-step explanation:
2x + 90° + x = 180°
3x + 90° = 180°
3x = 90°
x = 90/3
x = 30
Answer:
In the attachment.
Step-by-step explanation:
Rewrite
as a
. Then mark each set with different color and take the intersection of these.
Answer:
Step-by-step explanation:
12P3 = 12! / (12-3)!
= 12*11*10
= 1320.
8C7 = 8!/7! *(8-7)!
= 8.
A
C
D
You can find the answers by dividing