Answer:
1. x = -37 - 7y
2. x = 7+3y/4
Answer: 1/4 or 25%
Step-by-step explanation:
The chance of flipping tails is 1/2, so you multiply 1/2*1/2 (for the 2 flips) to get 1/4 (1/2^2=1/4).
Answer: 5/6
Step-by-step explanation:
X - (8 - x), if x is your number