The regular hexagon shown has rotational symmetry. Which of the following is its angle of rotation?

30

60

90

120

If the circumference of a certain circle of radius r is greater than the area of the enclosed circular region then (A) r > 2 (B) r < 1/squareroot (2) (C) r < 1 (D) r < 2 (E) No such circle exists

The area of a circle is 706.5 what is the radius?

The area of a rectangular field is represented by the expression 14x-3x^2+2y. The width of the field is represented by the expression 5x-7x^2+7y.

If you doubled the radius of a sphere, how would the volume change? ... A ... The volume would double ... B ... The volume would triple ... C ... The volume would quadruple ... D ...

For a standard normal distribution, which of the following expressions must always be equal to 1? P (z≤-a) - P (-a≤z≤a) + P (z≥a) P (z≤-a) - P (-a≤z≤a) + P (z≥a) P (z≤-a) + P (-a≤z≤a) - P (z≥a) P (z≤-a) + P (-a≤z≤a) + P (Z≥a)

Express each of the following as a fraction in lowest terms 1: 3/6 2: 2/8 3: 12/20

Randi earned a profit of $60.00 on her last snow shoveling and salting job. Write an equation that can be solved to find how many hours Randi spent shoveling and salting to earn a profit of $60.00. HINT: Randi charges $25 an hour to shovel and salt.

The lengths of the sides of a triangle are 4, 5, 6. Can the triangle be a right triangle?

Name a big reason Europeans came to the "New World" during the fifteenth and sixteenth centuries?

Find the value of x 2x+4x=5