08/11/19

#### Events and Probability

At central online high school, 45/100 of the students have a dog, 30/100 have a cat, and 18/100 have both a dog and a cat. What is the probability that a student who has a dog also has a cat?Enter...
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08/04/19

#### Is there any difference on the use of I'm and I am?

Is it correct to write I am Gerardo and I am here. or I am Gerardo and I'm here. Is there any difference between these two statements?

08/04/19

#### at the floor vs. "on the floor"?

For the following sentences:> - He threw the book *at* the floor.> - He threw the book *on* the floor.I know the book hit the floor in both sentences but which one is more commonly used and...
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#### What is "Godspeed"?

Title says it all. What does it really mean? What is its origin?

03/17/19

#### How to write an equation

A theater is divided in 2 sections A&B. Each section has 10 rows. The first row has 20 seats and each row after that has 2 more seats. Find total number of seats

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