the cost of a pen is 3 times the cost of a pencil and cost of a notebooks is four times that of a pen. If the cost of 6 pencils, two pens, and one notebook is $18, what is the cost of 1 pen?

The asking price for homes on the real estate market in Baltimore has a mean value of $286,455 and a standard deviation of $11,200. The mean and standard deviation in asking price for homes in Denver are $188,468 and $8,230, respectively.

A fish tank holds 80 gallons of water is 55% full

450 people are randomly selected at grocery stores across the state and surveyed on the amount of money they are spending at the store that day.

Use a model or paper and pencil to subtract. Write your answer in simplest form. 4^7/8 - 2^3/8 A. 2^4/8 B. 2^1/2 C. 1^1/2 D. 1^4/0

A contestants have a chance to increase their current winnings of $1 million to $2 million. They have a 50% chance of winning. should they play?

18b) A bag contains 300 counters which are red blue and yellow. - are red, are blue. How many are yellow?

Solve for h, if the given equation is: s=2πr^2+2πrh solve

El has $10.25 to spend at the book fair. She wants to purchase 3 books that cost 12.45 $3.15 and $4.30. Does she have enough money to purchase al 3 books?

O earn a profit of $25, what percent does the store need to markup the item

The area of egypt is 386,700 square miles. the area of wyoming is about 97,818 square milesegypt is about how many times as large as wyoming? explain how you solved the problem