Why is a three dimensional figure with a curved surface is not a polyhedron

What is 2*2*2*2*2*2 - 6*6

Solve: g2x + 1 = g3x - 2

There are 5 red marbles, 8 blue marbles, and 12 green marbles in a bag. What is the theoretical probability of randomly drawing a red marble? 20% 41.7% 62.5% 25%

If it is - 25F in Archorage, Alaska and it is 75F in Orlando, Florida, what is the temperature difference?

It has been estimated that one million people are added to the world's population every 4.5 days. Use this rate to answer the following question. How many babies to the nearest million are added each year?

How wide is a pool that has a length of 25/2 feet and area of 225/2 square feet? A) 6 feet B) 7 feet C) 8 feet D) 9 feet

13,012 is divisible by 8 True or False

Helena is purchasing a house for $210000

A pen costs $1, and a jacket costs $199; both prices increase by $1. how do both increase, and what percentage that might represent. A - The pen increases by 100% and the jacket increases by 0.

90 is 37.5% of what number?