Is 666 a prime number?

How many even primes are there?

How many odd primes are there?

What is the equation for the circumference of a circle?

What is the equation for the area of a circle?

How do you find the average speed of a moving object?

How do you find the amount of time taken for a journey?

How do you find the distance of the journey?

If there are two unknowns, how many equations should there be?

What is a quadrant?

What is a chord?

The line from the center of the circle to any edge of the circle is known as the ________.

Is zero a prime number?

Is 721 a prime number?

What are the values of a prime number?