Answer:
A)
Step-by-step explanation:
|3.7| = 3.7
No this is not a right triangle in order for it to be a right triangle 30 sides for instance line AB would have to equal 90 degrees
Subtract 7 from both sides
x=-4
There are 2^3 possible combinations
So
P (getting no tails) = 1/2 * 1/2 * 1/2 = 1/8 as each time there is 1/2 chances of getting a heads
