The second side of a triangle is 7 inches more than the first side. The third side is 4 inches less than 3 times the first. The perimeter is 28 inches. Find the length of the three sides of the triangle.

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

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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?

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?

According to a posting on a website subsequent to the death of a child who bit into a peanut, a certain study found that 7% of children younger than 18 in the United States have at least one food allergy.

A number os decreased by 1 2/3 and the result is - 2 whats the number?