A convex polyhedron has faces that consist of 30 squares, 20 hexagons, and 12 octagons. The polyhedron has 120 vertices. How many edges does it have? Euler's formula: V + F = E + 2

Wade wants to buy sweaters. he has $175 and each sweater coast $12.00. write and solve an inequality to find how many sweaters he can buy and still have at least $55.

During the sale, the price of the video camera was marked down 14%. The sale price of the video camera was $744.57. What was the original price of the video camera?

What is equal to 75% of 1/2

You are ordering T-shirts with your schools mascot printed on them. each t shirts cost $4.75. the printer charges a set up fee of $30 and $2.50 to print each shirt. write two expressions to represent the total cost of printing n t-shirts

What might a model for 3 x 3/5 look like? How many fifths would be shaded in all?

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

A population of 130,000 grows 4 % per year for 14 years. How much will the population be after 14 years?