Sample space: tails/tails,tails/head,head/tails, head/head.
(the slash divides the first toss and the second toss)
P(head,head)=1/4
P(not tail,tail)=1-1/4=3/4
the probability is not the same.
Answer:
390625
Step-by-step explanation:
The questions are all independent -- the answer on one question does not limit the number of possible answers on another question.
The quiz has 5 choices for each question, so there are
ways to answer the quiz questions.
Notice that this could be written
. You could say that the number of ways to answer the questions is

Use a calculator to find 
notice in the chart, the big yellow and the big orange, 23% and 29%, which make up 23+29 = 52%, more than 50%.
and the ages range is 18-25 and 26-34, namely 18 - 34.
Answer:
2.2x14-3
Step-by-step explanation:
(-2ab + 6a - 6 ) - (-4ab - 6)= ***at this step you have to distribute the negative sign
=-2ab + 6a - 6 +4ab + 6
= 2ab + 6a
hope this helps