The height of a pyramid is doubled, but its length and width are cut in half. What is true about the volume of the new pyramid?
A. The new pyramid has a volume that is a the volume of the original pyramid.
B. The new pyramid has a volume that is ż the volume of the original pyramid.
C. The new pyramid has the same volume as the volume of the original pyramid.
D. The new pyramid has a volume that is 2 times the volume of the original pyramid.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?