Answer:
The fractional probability of getting 2 heads is 1/4.
Answer:
(9, -1)
Step-by-step explanation:
Answer:
x = 27
Step-by-step explanation:
The angle at any point on a straight line is 180 degrees.
The middle line over there is creating a right angle which is 90 degrees.
This must mean that both sides are 90 degrees.
3x+9 = 90
3x = 81
x = 27