In which of the following circles are the approximate values of the area and circumference the same?

a circle with a radius of 2 feet
a circle with a diameter of 2 feet
a circle with a radius of 4 feet
a circle with a diameter of 1 foot

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

What is the lcm of 16 and 40 ? 24 and 40 ?