1/2 chance per flip
1/2 times 4 is 1/8
its 1/8 chance or 12.5%
Answer:

Step-by-step explanation:
Hi there!

Replace all x's with a-1:

I hope this helps!
To find z, you have to divide -3 and 10, which you would get an odd number. That will be your answer for z :)
Answer:
should be -8
Step-by-step explanation:
when reflecting over the x-axis, y changes from positive to negative or negative to positive. x stays the same.
when reflecting over the y-axis, x changes from positive to negative or negative to positive. y stays the same.
Answer:
625
Step-by-step explanation:
basically, half of 500 is 250 halve that you get a quater of 500 (25%)
500+125=625