What is the greatest common monomial factor of 12x^5+18^2

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)