Answer:
x^3(2x+1)(2x-1)
Step-by-step explanation:
first take common then use formula of a^2-b^2
Answer:
160
Step-by-step explanation:
If there were only 2 options, all the people who didn't pick one chose the other one.
So if 25% of the people voted for the aquarium the remaing 75% voted for the zoo.
Since three times as many people voted for the zoo, we can see that 120/3=40, so 40 people chose the aquarium.
To find the total number of students, we add 120 and 40 to get <u>160</u>
Answer: 
Step-by-step explanation:
Given
The theoretical probability of choosing an event A is 
The sum of the probability of occuring and non-occuring of an event is always equal to 1.
So, the probability of non choosing Event A is

Answer:the third one shows parallel lines cut by a transversal
Step-by-step explanation:
Answer:
What is the surface
Step-by-step explanation:
U should put a pic or something so we can help u <3 btw can u give me a brainllest cuz i need 1 more to hit 5 thank u <3