Answer:
B. Step 4 is incorrect , it should be 
Step-by-step explanation:
6x-1= -2x+9
Step 1
Collect like terms and change signs if you move anything from one side to the other; 6x+2x = 9+1
Step 2: Add like terms on both sides
8x = 10
Step 3: To remain with just x on one side, divide both sides by 8 and it becomes;

The two 8s cancel each other and you remain with 
The probability is 1/2. Even if you flip heads 100 times in a row, you still have a 50/50 chance of flipping heads or tails. The probability does not change no matter how many times you flip a certain side.
I hope this helps!
Answer: Don't know sorry
Step-by-step explanation:
Answer:
0.800
Step-by-step explanation:
Answer: -750ft
Step-by-step explanation: -450+-300=-750