The sum of the interior angles of a triangle is 180 degrees, of a quadrilateral is 360 degrees, and of a pentagon is 540 degrees. Assuming this pattern continues, find a sum of the interior angles of a dodecagon

An artist wants to make alabaster pyramids using a block of alabaster with a volume of 576 cubic inches. She plans to make each pyramid with a square base area of 3 square inches and a height of 4 inches.

Diego has $11 and begins saving $5 each week towards buying a new phone at the same time Diego's begin saving, Lynn has $60 and begins spending $2 per week on supplies for her art class is there a week when they have the same amount of money how

Find the set the solves

A 15-foot ladder is leaning against a wall. The foot of the ladder is 6 feet away from the wall. How far up the wall does the ladder touch?

Lucy reads 72 chapters of a book in 8 hours. What is her rate in chapters per hour?

Kyra is using rectangular tiles of two types for a floor design. A tile of each type is shown below. Which statement is correct? A.) The two tiles are similar because is 1 : 3 and is also 1 : 3. B.

What formula can be used to find the length of a segment in the coordinate plane?

When Benny's sister penny is 24 Benny's age will be 125% of her age. A) How old is Benny? B) If Benny is 12 years old now how old is penny now? Explain your reasoning.

A jar contains 4 blue marbles and 3 red marbles. Suppose you choose a marble at random, and do not replace it. Then you choose a second marble. Find the probability of the following event. Both of the selected marbles are red.

What is the surface area of a rectangular box that is 12 centimeters long, 10 centimeters wide, and 15 centimeters high?