Answer:
6
Step-by-step explanation:
AB = BD
so, 7x + 10 = 9x -2
or, 10 + 2 = 9x -7x
or, 12 = 2x
or, 6=x
Therefore, x=6
Answer:
x= 45
Step-by-step explanation:
90-45=x
Answer:
60.9 mi
Step-by-step explanation:
Circumference of circle:
diameter = 19.4 mi
Circumference of circle = πd
= 3.14 * 19.4
= 60.9 mi
Answer:y=-y
Step-by-step explanation: