Answer:
50%
Step-by-step explanation:
Since there is either heads or tails, meaning only two options you have a 50% chance of getting heads
Answer:
30x+14
Step-by-step explanation:
-30x+10+4 (Distribute)
Hope this helps
Answer:
Perpendicular
Step-by-step explanation:
Answer:
true
Step-by-step explanation:
it was X+12
Answer: 9+4n-1 = 20
We can solve this by substitution.
Replace n with the value given, 3 (remember 4n means 4 times n):
9 + 4*3 - 1
Then work it out using arithmetic
9+12-1
=20
